How does an Apple Watch work?

What does an Apple Watch Do using its key features?

Potential buyers of the Apple Watch are often making the query – what does an Apple Watch do? In this article, I have discussed the major Apple Watch functions and what do Apple watches do using its key features. If you are also among the would-be buyers of this smartwatch and searching for the major Apple Watch features and benefits of Apple Watch then you have come to the right place.

On going through what Apple Watch does and how does an Apple Watch work as described in the post, it would be apparent that the Apple smartwatch scripts a new chapter in wearable technology. It introduces an iOS-based user interface designed specifically for a smaller device that enables you to communicate in new ways right from your wrist. There is no denying the fact that after smartphones wearable technology, be it smart watches or smart glasses, is the next big thing as it represents the next stage in the evolution of the man-machine interface.

The first Apple Watch set the baseline for this evolution by introducing key features such as Apple Pay and NFC capabilities, which enabled contactless payments and laid the foundation for the device’s expanding functionalities.

Introduction to Apple Watch

The Apple Watch is more than just a timepiece—it’s a versatile tool designed to support your health, safety, and daily productivity. Seamlessly integrating with your iPhone and other Apple devices, the Apple Watch brings together powerful features in a sleek, wearable device. Whether you’re tracking your fitness goals, staying connected with notifications, or accessing emergency services, the Apple Watch is engineered to enhance your lifestyle. Its intuitive interface and customizable options make it easy to tailor the device to your needs, while its robust health tracking and safety features provide peace of mind for users and their families. As part of the broader Apple ecosystem, the Apple Watch stands out as an essential companion for anyone looking to make the most of their Apple devices.

Setting Up and Using Apple Watch

Getting started with your Apple Watch is a simple and user-friendly process. After unboxing, you’ll pair your watch with your iPhone, unlocking a world of features and customization options. Through the Apple Store app, you can browse and download new apps to expand your watch’s capabilities, from fitness tracking to productivity tools. Personalizing your watch face is easy—choose from a variety of designs and complications to display the information that matters most to you.

Navigation is a breeze thanks to the Digital Crown and responsive touch screen, allowing you to quickly access your favorite apps, check your activity rings, monitor heart rate data, and control music playback. The Apple Watch also delivers timely notifications, keeping you informed without needing to reach for your phone. For users with accessibility needs, features like VoiceOver ensure that everyone can enjoy the benefits of the device. Regular software updates, such as the latest watchOS releases, bring new features and improvements, ensuring your Apple Watch remains secure, up-to-date, and packed with the latest Apple Watch offers.

Use Focus Mode to Minimize Distractions

Focus mode on the Apple Watch is designed to help you stay undisturbed when you need it most—whether you’re trying to concentrate at work, wind down for sleep, or simply take a break from notifications. It allows you to filter incoming alerts and maintain your attention on what matters, all from your wrist.

To set up Focus mode, start by accessing the Settings app directly on your Apple Watch. Within the menu, look for the Focus section, where you can enable preset modes like Sleep or Do Not Disturb, or create custom profiles to suit your routine. If you prefer consistency across devices, the Apple Watch can mirror the Focus profiles set up on your paired iPhone, making your experience seamless wherever you go.

Customizing which contacts and apps can send notifications during Focus means you’ll only get alerts from those that are truly important. With just a few taps, you can quickly activate or adjust your Focus mode, empowering you to navigate your day with fewer interruptions and more peace of mind.

Capture and Find Screenshots on Apple Watch

The Apple Watch provides a quick and convenient way to capture what’s displayed on your screen—perfect for saving important information, sharing an achievement, or just showing off your watch face. To take a screenshot, simply press the Digital Crown and the side button simultaneously. You’ll see a brief flash on the display, confirming that the image has been captured.

Before you can use this feature, though, you’ll need to enable it. Just open the Watch app on your iPhone, navigate to “General,” and then toggle on the option for screenshots.

Once a screenshot is captured, it’s automatically saved to the Photos app on your paired iPhone, ready for you to view, edit, or share. This seamless process ensures you never miss a moment on your wrist.

What does an Apple Watch do?

The Apple smartwatch is not a standalone device. It is a customizable wristwatch designed to be an adjunct to your iPhone and is meant to stay paired and connected to it for carrying out most of the Apple Watch functions while you wear it. Nevertheless, it can also do a few things stand-alone, too. It is also designed to work with Apple’s new continuity features that let users shift tasks from one device to another with ease.

Here’s what do Apple watches do using its key features:

• Get messages and notifications on the wrist;
• Answer calls on your wrist;
• Fitness tracking;
• Workout tracking;
• Heart rate monitoring;
• ECG monitoring (on Watch Series 4, 5, and 6 only);
• Level of Blood oxygen measurements (series 6)
• GPS tracking of workouts (on GPS versions);
• Make calls and receive messages away from your phone (LTE versions with a data plan);
• Turn-by-turn navigation;
• Siri commands – alarms, timers, reminders;
• Display tickets and boarding passes;
• Control Music;
• Tell the time;

Viewing and Sharing Photos on Apple Watch

With the latest updates to watchOS, Apple Watch makes it simple not only to view your favorite photos but also to share them right from your wrist. The built-in Photos app syncs selected images from your iPhone, allowing you to browse and enjoy memories wherever you are.

Want to share a moment with friends or family? Here’s how it works:

• Open the Photos app on your Apple Watch to scroll through your synced pictures.
• Tap a photo to bring it front and center.
• You’ll see a share icon in the lower corner—tap it to bring up sharing options.
• Choose how you’d like to send your photo, whether that’s through Messages or Mail, all without ever pulling out your phone.

This convenient feature ensures you’re always able to relive and share special moments in just a few taps, no matter where life—and your Apple Watch—takes you.

Now that we have seen what do Apple watches do, let us look into how does an Apple Watch work.

How does an Apple Watch work?

Apple Watch uses WiFi and Bluetooth to communicate with your paired iPhone. To tell about – how do Apple Watches work, the first thing that needs to be mentioned is the ‘Digital Crown’.

One of the iWatch features is a scroll-wheel Digital Crown on the side of the watch that provides an innovative way to scroll, zoom, and navigate smoothly, without obstructing the screen. The Digital Crown also operates as a Home button (to return to the home screen) and helps easy access to built-in Siri making it more useful than ever for smart messages. Apple Watch has a ‘Taptic Engine’ that produces ‘haptic’ feedback (sense of touch on the wrist) when you get notifications, alarms, and other messages. Whenever you receive an alert or notification or perform a function like turning the Digital Crown or pressing down on the display, you feel a physical sensation on the wrist that’s noticeably different for each kind of interaction. From above it should be clear how does Apple Watch work to perform its various functions.

Hand-Washing Timer and Reminders
Washing your hands well has become second nature lately, and Apple Watch lends a helpful—well, virtual—hand in making sure you do it right. The watch automatically detects when you begin washing your hands using motion sensors and the sound of running water. As soon as it recognizes the activity, you’ll see a 20-second countdown timer appear on the display, gently nudging you to scrub for the recommended duration to banish those pesky germs.

Want a reminder to clean up after getting home? You can enable or adjust handwashing reminders by heading to Settings > General > Handwashing on your Apple Watch. With these handy prompts, keeping your hands (and your peace of mind) clean is just a tap away.

Now let’s have a quick look at some of the key features of Apple Watch before we go into detail about what Apple Watch does.

Apple Watch features and specifications

 The key iWatch features and specifications are,

• Available sizes: 38mm and 42mm (1.5 and 1.7 inches);
• Apple Watch requires iPhone 5, iPhone 5c, iPhone 5s, iPhone 6, or iPhone 6 Plus running iOS 8.2. or later;
• Features WiFi 802.11b/g and Bluetooth 4.0 to pair with iPhone;
• 4GB internal storage for music;
• 512MB RAM;
• 200 to 250 mAh battery – 18 hours of battery life and MagSafe charging;
• Wireless Charging;
• Integration with the iPhone, iPad, and Mac;
• Bio-metric functionality;
• NFC-enabled Apple Pay feature;
• Use Skin Contact for Apple Pay Security;
• Retina touchscreen display with Force Touch, and sapphire glass or Ion-X glass cover depending on model;

Features of an Apple watch also include a heart rate sensor, accelerometer, gyroscope, ambient light sensor, and two microphones for better call quality.

The Apple wristwatch has several Apple’s apps but Apple has opened up the platform to third-party app developers. Users can further customize their device by downloading additional apple watch apps from the App Store.

Unlock Your MacBook Instantly with Apple Watch

One particularly handy feature for Apple enthusiasts is the ability to unlock your MacBook simply by wearing your Apple Watch—eliminating the need to type in a password every time you return to your laptop.

Getting started is straightforward:

• First, make sure both your MacBook (2013 or newer) and Apple Watch are signed in to the same iCloud account.
• Confirm that two-factor authentication is enabled for your Apple ID.
• On your MacBook, navigate to System Preferences > Security & Privacy and open the General tab.
• Check the option that lets your Apple Watch unlock your Mac.

Now, whenever you wake your MacBook and have your Apple Watch on your wrist (and unlocked), your MacBook will automatically log you in, no password required. It’s a small touch that streamlines your workflow and adds extra convenience—perfect for those who toggle between devices throughout the day.

What Apple Watch can do using its key features?

While some of the Apple Watch features look more minor, there are a handful of truly awesome functions of Apple Watch that can be done right from your wrist.

Find below the details about what does an Apple Watch do using its key features:

Navigate the Watch Screen

One of the major and coolest Apple Watch features is its ‘Digital Crown’ that makes navigating the small watch screen easier for performing various Apple Watch functions.

The Digital Crown is a knob on the watch’s right edge that acts like a home button. Pressing it returns you to the main screen, and turning it lets you zoom into apps or scroll through options in the interface.

What can Apple Watch do with the Digital Crown? From your watch face simply press the Digital Crown to access the home screen. You can also press the Digital Crown to leave an app or double-press the Digital Crown to swap between your two most recently opened apps. It can also be held to manually activate Siri, instead of saying ‘Hey Siri’.

Tell time accurately

Apple wristwatch tells time with amazing accuracy. The device will sync within 50 milliseconds of the time in your location using the internet. The watch will also work as a stopwatch, timer, alarm clock, and world clock, which is extremely useful for travelers. If you move from one time zone to another, Apple Watch automatically adjusts. When daylight saving time begins, Apple Watch simply changes to the new time. So you never once have to set it yourself.

To read the time, simply raise your wrist and the time should automatically be displayed on your Apple Watch, much like a traditional smartwatch.

Control music

One of the most popular functions of Apple Watch is that it can control music on your iPhone, iPad, or Computer. It can also store up to 2GB locally and playback music all on its own almost as any iPod ever could. This feature makes the Apple Watch perfect for joggers. The Apple Watch can also control your iPhone’s music playback, both locally stored music and from iTunes. If your iPhone is streaming to AirPlay-enabled speakers, whether you’re in your office or at any other place, you can control all of that as well, right from your wrist.

Notifications & alerts

Apple Watch’s ability to keep you connected to your notifications without needing to have your iPhone near you all the time is also one of the most important features of an Apple Watch.

With the Apple smartwatch, all of your notifications are at your fingertips as if someone is next to you tapping you on the wrist, whenever you get an alert. To make sure you don’t miss any notifications you can turn on a Notification Indicator that will display a red dot on your watch face if you have unread notifications.

Viewing a notification is as simple as raising your arm. The Notification Center can be accessed by swiping down from the watch face. Although we might not want to clear important messages/notifications, we don’t want you to drown in a sea of annoying notifications either. If you find yourself in a situation like this, there are two options available to you – manually clear each notification by swiping down on it or scrolling to the bottom of it and tapping ‘Dismiss’, or clear all notifications at once. To clear all your notifications at once, simply access the Notification Center, force touch, and tap Clear All. This will clear all notifications from both your Apple Watch and iPhone.

To respond to a notification, scroll to the bottom of the notification and tap the button to act. When your Apple Watch locks or you turn on ‘Do Not Disturb’, your notifications go to your iPhone instead of your watch.

By default, notifications on your Apple smartwatch are set up to mirror your iPhone settings, so any app you have notifications enabled for on your iPhone will also appear on your Apple wristwatch. For built-in apps, you can customize the notifications on your Apple Watch by following the steps below:

1. Open the Watch app on your iPhone, tap the My Watch tab, and then tap Notifications;
2. Tap an app;
3. If you want the app’s notification settings to mirror settings on your iPhone, tap Mirror My iPhone. If you want to use different notification settings just for your Apple Watch, tap Custom;

Some Apple apps, like Calendar, Mail, and Messages are customizable with a few additional features. Be sure that the notification you wish to customize is already enabled on your iPhone first.

Stay focused and minimize distractions

Between endless notifications, alerts, and messages, maintaining your concentration can feel like a losing battle. Thankfully, Apple Watch offers built-in Focus modes designed to help you reclaim your attention—whether you’re at work, winding down for bed, or need some uninterrupted time.

Setting up Focus is simple: just head into your Watch’s Settings, where you can personalize modes like ‘Do Not Disturb’ or create a dedicated Sleep Focus. You also have the option to sync your Focus settings with your iPhone, so any boundaries you set on one device automatically apply to the other.

This means your Apple Watch will only let through the notifications and alerts you truly need, filtering out the digital noise. So, whether you’re deep in a project at the office or catching some much-needed rest, your wrist won’t buzz with unnecessary interruptions. Want to tweak who or what can break through? Fine-tune which people or apps are allowed to notify you under each profile for even more control.

With these features, the Apple Watch doesn’t just keep you connected—it helps you disconnect from distractions, so you can stay in the zone when it matters most.

Remote Control Functions

Remote Control is also one of the most important uses of what Apple Watch does. With your Apple Watch, you may never have to leave your sofa again, as it will function as a remote control for your devices. It will skip through music on your iPhone or iTunes music library, navigate your Apple TV menu, enable ‘Do Not Disturb’ and ‘Airplane’ modes on your phone or turn on/off the smart lights in your home – all from your wrist.

Find Your iPhone with a Tap

Have a knack for misplacing your iPhone? The Apple Watch has your back. With just a quick swipe up from the main clock face to reveal the Control Center, you’ll spot the “Ping iPhone” button (it looks like a little phone with sound waves). Tap it once, and your iPhone will emit a loud sound—even if it’s on silent—so you can track it down in the sofa cushions, your bag, or that coat you forgot you wore yesterday.

In darker environments or when you’re feeling extra stealthy, try tapping and holding that same “Ping iPhone” button; this neat trick makes your iPhone flash its LED light in addition to chiming, making it that much easier to spot under a pile of paperwork or hidden in plain sight. No more frantic searching or upending your living room furniture—your wrist does the detective work for you.

Access Siri

Siri is also one of the major functions of Apple Watch providing digital assistants.

Apple’s voice-activated digital assistant is a huge part of the Apple wristwatch. Siri is integrated into the Apple smartwatch allowing you to accomplish many of your favorite voice command tasks without pulling your iPhone out, including dictating a message, asking to view your next event, making a query, and receiving an answer. Apple’s digital assistant does everything it can on your phone, including sending messages and searching the web.

Apple Watch Siri may not be quite as full-featured as iPhone Siri, but this digital assistant can still do a bunch of tasks. This Apple Watch feature is just as good at turning things on and off as iPhone Siri. You can ask Siri to disable or enable Bluetooth, turn on Airplane mode, and even enable or disable accessibility features like Voice-over. Now, how to use Siri on the Apple Wristwatch.

To activate Siri, you can either raise your wrist and say “Hey Siri” or press and hold the Digital Crown. Unlike Siri on the iPhone, Siri on the Apple wristwatch doesn’t speak to you and instead relies on text to reply to your commands. If you want to find out the list of things that Siri on Apple Watch can do, say the words “Hey Siri, what kind of things can I ask you?” and you’ll receive an extensive list. The long list includes the various functions that Siri can perform, like setting alarms, opening apps, making phone calls, and sending messages.

Track health and fitness

Among the Apple Watch uses, tracking your health and fitness status is one of the most useful benefits of Apple Watch.

The Apple Watch is a great health and fitness device, motivating you to get active. An Activity app on the smartwatch is one of the cool apps which collects data on all your movement during the day whether it be standing, moving, or running, and prompts you to get up when you’ve been sitting still too long. Now, how the Apple Watch does this?

The app does this by setting and tracking three daily targets: to sit less (your target is to stand for at least one minute in each of at least 12 separate hours), to move around more (measured according to the calories you burn), and to log 30 minutes of brisk activity every day.

You can also set goals and the app shows your progress on rings that fill up as you approach your targets. The app tracks your daily physical activity, and stores that information over time, while a built-in Workout app shows real-time information such as distance traveled, and calories burned and it lets you set goals for each workout. A built-in heart-rate sensor keeps track of your heart with daily summaries showing your step count and heart rate. According to Apple, over time the Apple Watch gets to know you just as a personal fitness instructor would.

To track your daily activity press the Digital Crown and tap the icon that looks like three rings — blue, green, and red. The three rings represent your daily activity goals — movement (red for calorie count), exercise (green for movement), and standing (blue, with a target of standing once per hour). If you use the Siri watch face, then the ‘activity’ icon can be seen permanently on your watch face.

The Apple Watch can also track your daily workout. Press the Digital Crown and look for the green icon with the image of a person running. If you tap the icon and scroll through the list you will find the workout that suits your activity covering everything from yoga to high-intensity interval training. Tap the three dots on the upper right and it will open up individual tracking adjustments, for example, the time target and your calorie count.

Measuring your heart rate is also among the most important Apple Watch functions. Now, let’s see how the Watch is used in measuring your heart rate.

To measure your heart rate manually, make sure that the Apple Watch is tightly but comfortably placed on your wrist. Then all you need to do is press the Digital Crown and look for the heart icon. Tap the icon and the watch immediately starts taking your heart rate. A graph at the top of the screen shows your heart rate history. Twist the Digital Crown to show other screens, breaking down your heart rate data into resting and walking segments.

The Apple iWatch, together with the Cardiogram app, can reportedly detect one of the most common heart arrhythmia (irregular heart rhythms) called atrial fibrillation. Not only that, the accuracy rate is pretty high, which makes it not only convenient but reliable as well.

Enable Heart Rate Notifications

Monitoring your heart health is even easier with the Apple Watch’s built-in heart rate notifications. With this feature, your watch keeps an eye on your pulse throughout the day and lets you know if it spots something out of the ordinary—like your heart rate suddenly jumping unusually high or dropping lower than you’d expect while you’re inactive.

To set up heart rate alerts, open the Watch app on your paired iPhone, scroll down, and tap on ‘Heart.’ Here you can turn on notifications for both high and low heart rates. You’ll be prompted to choose custom thresholds—for example, you might set a high heart rate alert at 120 bpm and a low alert at 50 bpm. Once set, the watch works quietly in the background, only tapping your wrist if your readings go above or below what’s normal for you.

There’s more: the watch can also keep an eye out for irregular rhythms that might point to conditions like atrial fibrillation, giving you an extra level of peace of mind. All results can be reviewed in the Health app, so you or your doctor can keep track of any changes over time.

Navigate around with the help of Apple Maps

Another useful feature of Apple Watch is that it can show your current location, turn-by-turn directions, and how long it will take to get to your destination, all with the help of Apple Maps. Perhaps the most interesting and unique feature of Apple Maps on the wrist is the haptic feedback.

Now, how does an Apple Watch work using this Map application?

Once your walking route is set, the watch will buzz, essentially, when you’re supposed to turn right or left (a different sensation for each direction). This means you can get directed without even looking at your wristwatch, which helps users stay safe on the street.

You can also navigate around using the Maps app. You can quickly access your current location by swiping up to access your Maps Glance, but if you want to interact with it then you have to tap on it to open the full Maps app. Once you’ve opened the Maps app, your current location will be displayed.

You can zoom in and out using the Digital Crown, or using your fingers. If you want to search for a location, simply press firmly on the screen and select “Search”. Once you’ve searched for your desired location, the Apple Watch will display all relevant information about the location including contact information, opening times, and reviews. You can then select whether you want walking or driving directions, with an estimated journey time next to both, and then tap “Start” to initiate the turn-by-turn navigation.

Apple Pay

Apple Pay is also one of the most useful features of the Apple Watch which allows a fast, easy, and secure way to pay using your Apple smartwatch. Apple Watch brings this handy function to those on iPhone 5 and later. Apple Pay payment system allows users to get rid of their plastic cards. Apple Watch supports the new NFC-enabled Apple Pay feature built into the iPhone making it even easier than getting out your phone. Simply tap your watch on the reader and approve the transaction and you’re good to go.

How to use Apple Watch to make payments through Apple Pay

With the NFC-enabled Apple Pay feature built into your iPhone, all you have to do is just double-click the side button, pick the card you want to use, and hold the Apple Watch face close to the payment terminal or reader. You’ll hear a beep and feel “a gentle pulse” confirming that your payment has been made.

Passbook Integration

Thanks to Passbook on the Apple Watch, you can breeze through airport security while on travel. You can quickly pull up your plane tickets, boarding passes, and loyalty cards without having to reach for your phone. When you enter a place where your discount or loyalty cards can be used, the app will also send you an alert.

Unlock hotel room

An app on your Apple Watch would turn the watch into a room key so that you can unlock your hotel room with a tap on your iWatch, which will be easier than pulling out your room key from your wallet. The Apple Watch can serve as your hotel room key at participating hotels.

Activation Lock

Activation Lock is one of the new features of an Apple watch. For security reasons, Apple has recently introduced this feature. When you activate your Apple Watch, you’ll be required to enter your iCloud Apple ID and password, so the device is tied to your account and no one can use your watch if it’s stolen. However, using this feature is optional.

Make phone calls

Making phone calls is also one of the Apple Watch functions. There are several ways to make phone calls on the Apple Watch. If the person you want to call is on your favorite list, access your favorite contacts by pressing the side button underneath the Digital Crown and select the person you want to speak to. Once you’ve selected the person to call, just tap the Phone icon in the bottom left-hand corner of the display to initiate the call directly from your Apple Watch.

You can also make a call from the Apple Watch via the Phone app, available on the home screen. When you open the Phone app, much like the iPhone app, just select the contact from the displayed categories and the call will initiate from your Apple Watch.

You can also answer calls from your Apple Watch using it as a small Bluetooth speakerphone. When you get a call from your iPhone, your Apple wristwatch will also ring. This can be muted by placing your palm over the screen, or you can tap the green icon to answer the call on your Watch.

If you don’t want to answer the call on your watch, you can use the Digital Crown to scroll down and select “Answer on iPhone”. This transfers the call to your iPhone and puts the person on hold until you unlock your iPhone to take the call.

Ejecting Water from Your Apple Watch

If you’ve just finished swimming or your Apple Watch has been exposed to water, there’s a handy feature built in to help clear out any moisture from the speakers. Simply swipe up from the home screen to access the Control Center, then tap the icon that looks like a water droplet. Once you do this, your watch will prompt you to turn the Digital Crown—rotate it as instructed, and the device will expel water from the speaker grills with a series of gentle tones. This helps ensure your watch stays in top working condition after any splashy adventures.

Now that we know what does an Apple Watch do, let’s look into some other key information about the Apple Watch.

Bedside Mode: Turn Your Apple Watch Into a Nightstand Clock

Another handy feature of the Apple Watch is Bedside mode, which transforms your watch into a digital clock while it’s charging. Instead of wearing it overnight, simply place your Apple Watch on its side and connect it to the charger. The display will automatically switch to Bedside mode, showing the time, date, and even your next alarm in big, easy-to-read numbers.

This is especially convenient if you like to use your watch as an alarm clock. When an alarm sounds in Bedside mode, the Digital Crown acts as a snooze button, and the side button will turn it off. So, even while your Apple Watch is powering up for the next day, it can still help you keep track of time and wake up on schedule.

Apple Wrist Watch versions

The Apple Wrist Watch has been launched in three editions:

1. Apple Watch;

2. Apple Watch Sport;

3. Apple Watch Edition;

Out of the three editions the first variant ‘Apple Watch’, comes with a polished stainless steel case, and a choice of steel or space black finishes.

The second variant ‘Apple Watch Sport’, has a lightweight, scratch and impact-resistant, Ion-X glass screen. Its body is made from anodized aluminum.

The third one, ‘Apple Watch Edition’, was made from 18-karat rose or yellow gold, which has since been discontinued and replaced by ceramic Apple Watch Edition. Ceramic is one of the hardest materials in the world — more than four times harder than stainless steel — with a beautiful, white, pearl-like finish, making the Apple Watch Edition extremely scratch-resistant.

In addition to these, Apple introduced the Apple Watch SE, which is known for its affordability and is ideal for new users looking for essential features at a lower price point. The Apple Watch SE (second generation) offers upgraded performance and features compared to the original SE, making it a strong entry-level option. For users seeking advanced capabilities, the Apple Watch Ultra stands out with its enhanced durability, larger size, and features designed for outdoor and rugged activities. The Apple Watch Ultra 2 further improves on this with significantly better battery life and premium features, making it especially suitable for extended outdoor use and those needing longer battery endurance.

All three editions are also offered in two sizes, depending on which better fits a user’s wrist.

How to change the Apple Watch face

One of the biggest selling points of the Apple Wrist Watch is its customization ability. To change the Apple Watch face simply force touch on the watch face. This will take you to a menu where you can swipe left and right to choose between a variety of watch faces, some traditional, and some unique. Once you’ve found a watch face that you’re happy with, simply tap it to select it.

While Apple isn’t allowing developers to create faces for the Apple Watch, it is possible to personalize your watch face with some creative designs. There’s a ‘Tumblr’ site called ‘AppleFaces’ that features several designs that can be downloaded and are the correct dimensions to be used as a Watch face. You need to download them on your iPhone to have them appear on your Watch.

How to Charge the Device

For charging the device Apple Watch comes with a unique charging system that combines Apple’s MagSafe technology with inductive charging. You simply hold the connector near the back of the watch, where magnets cause it to snap into place automatically.

Apple Watch and iPhone Integration

One of the standout strengths of the Apple Watch is its deep integration with the iPhone and other Apple devices. This synergy allows you to start a workout on your Apple Watch and view real-time metrics on your iPhone, or plan a custom route in Maps on your phone and send it directly to your watch for easy navigation. Music lovers can stream Apple Music directly from their wrist, while health data collected by the watch is automatically synced with the Health app on your iPhone for comprehensive health monitoring.

Thanks to the Apple Watch’s internet connectivity, you can enjoy your favorite playlists, albums, or artists anywhere—right from your wrist. Pair your Watch with Bluetooth headphones like AirPods for a seamless, noise-free listening experience. When you open the companion Watch app and navigate to the Music section, you’ll find options to automatically sync curated playlists (updated whenever your Watch is charging) or manually add tracks and albums to suit your mood.

For those who prefer other streaming services, the Apple Watch Spotify app lets you take your music wherever you go, subscription or not. Just remember, the Watch will prompt you to connect headphones before playback—so keep your favorite pair handy for on-the-go tunes.

The double tap gesture on the side button makes it effortless to make phone calls or use Apple Pay, streamlining everyday tasks. Notifications, calls, and messages are mirrored between devices, ensuring you never miss important updates. You can even use your Apple Watch to control other Apple devices in your home, such as Apple TV or HomePod, making it a central hub for your digital life. With this level of integration, the Apple Watch not only enhances your iPhone experience but also brings added convenience and functionality to your entire Apple ecosystem.

Emergency Services and Safety

Safety is at the core of the Apple Watch experience, with features designed to provide help when you need it most. The Emergency SOS function allows you to quickly call emergency services and notify your emergency contacts with a simple long press of the side button. For added peace of mind, the Apple Watch can detect hard falls and automatically alert emergency services if you’re unresponsive. International emergency calling ensures you can access help wherever you are in the world.

Health notifications, such as alerts for atrial fibrillation and sleep apnea, keep you informed about potential health issues, enabling early intervention. Sleep apnea notifications and other health insights are delivered directly to your wrist, making it easier to stay proactive about your well-being. With a cellular connection, the Apple Watch can make phone calls, send messages, and stream music even when your iPhone isn’t nearby, ensuring you’re always connected in case of an emergency. These features make the Apple Watch not just a smart device, but a reliable safety companion for everyday life.

Apple Watch upgrades

Apple Watch Series 3

When Apple rolled out Apple Watch 3 it removed the earlier Series 2 watches from the lineup, leaving customers with a choice between the first-generation Apple Watch Series 1 and the Apple Watch 3. While the Apple Watch features of Series 1 and Series 2 were the same, minus a few differences with things like water resistance, GPS, and the like, there was a significantly larger gap between the Series 1 and Series 3 devices from both price and feature perspectives.

The Apple Watch 3 runs on the Watch OS 4 operating system, which was a significant and useful upgrade. The Apple Watch 3 series can operate independently of the iPhone due to its cellular connectivity. It has a cellular antenna inside for making calls using your iPhone’s number, using maps, and streaming more than 40 million songs from Apple Music. Previously, the watch needed to be synced with your iPhone via Bluetooth to utilize these cellular functions.

Some of the other major features of the Apple Watch of series 3 are, that it has a new faster dual-core processor which also allows Siri to talk back to you, it has the same chip that Apple used in its Bluetooth AirPods which means its WiFi and Bluetooth are much faster than before, it sports a new sensor that can count stairs climbed and measure elevation gains, it has new features that make use of the watch’s heart rate sensor, including resting and recovery heart rate data which will have the ability to alert you when your heart rate is elevated.

Apple Watch Series 4

Apple rolled out the Apple Watch Series 4, which has been designed to be more of a health aid. It’s the first time the company has redesigned the device since it was introduced in 2015. This series 4 watch is slightly thinner than the previous version, but the black frame around the screen – what are known as the ‘bezels’ – has been removed to create a larger display area. Significantly, the series 4 watch has a faster processor which runs on Apple’s new Watch-OS 5 operating system, and better health and motion sensors. For instance, the watch can detect when a wearer has fallen down by analyzing wrist trajectory and impact acceleration. It will then initiate an emergency call and if it senses you’re immobile for 1 minute, it’ll automatically call and send a message to your emergency contacts using the SOS feature.

Perhaps one of the most impressive Apple Watch Series 4 features is the built-in electrical heart sensor. What does the iWatch do with this heart sensor?

Built into the back of the sapphire crystal and digital crown, users can now take an Electro-Cardio-Gram (ECG) at any time anywhere, straight from the wrist — the first of its kind in a smartwatch. This measures the electrical activity of your heartbeat to help diagnose heart disease and other conditions.

Apple Watch Series 5

Apple rolled out the Apple Watch Series 5 in September 2019. When compared with the Series 4, the Apple Watch Series 5 has three important new features — an always-on display, an in-built compass, and an international emergency calling service.

The Series 5 runs on a new Apple S5 chip, a 64-bit dual-core S5 processor which is up to 2x faster than the S3 processor. The  Series 5 has 32 GB of in-built storage as opposed to 16GB on the Series 4. Series 5 Apple Watch is preloaded with the Watch-OS 6 operating system. Apple Watch bands now include purchasable gold options including leather straps. The Series 5 has been launched at the same price as the Series 4, which has since been discontinued.

Apple Watch Series 6

Apple rolled out the Apple Watch Series 6 in September 2020.  The Series 6 Watch is identical in design to the Series 5, but there are some notable health features along with a faster chip for better performance.

There’s a new Blood Oxygen sensor in the Apple Watch Series 6 that enables Blood Oxygen monitoring that measures oxygen saturation in the blood for a better understanding of fitness and wellness. It is a sign of a serious illness when oxygen saturation (also known as SpO2) levels drop. The watch also occasionally takes background measurements when a person is inactive, including during sleep.

Newer Apple Watch models now track REM, core and deep sleep stages, providing more detailed sleep analysis and insights into sleep quality. This allows users to see how much time they spend in each stage, including core and deep sleep, for a more comprehensive view of their sleep patterns.

With the addition of sleep tracking features, you can set up a bedtime schedule and enable wind-down mode, which automatically silences notifications to help you settle in for the night. The Apple Watch monitors not just the duration of your sleep, but also the consistency of your bedtime routine. While it doesn’t analyze sleep quality in the same way as some dedicated sleep trackers, the data on your sleep stages and habits makes it easier to spot trends and work toward better rest.

And yes, you can comfortably wear your Apple Watch overnight. Whether you’re aiming to create healthy sleep habits or simply want to keep tabs on your nightly recharge, these new sleep tracking features make the Apple Watch a helpful companion at bedtime.

Apple Watch Series 7

The Apple Watch Series 7 has been rolled out in September 2021. The borders of the watch are smaller with a watch face of larger screen. The buttons on the watch face are bigger and there is a full keyboard for typing. The watch has added increased workout support for biking, including e-biking. Watch- OS 8 powers the new smartwatch. The starting price is $399.

Apple Watch Series 8

The newest Apple Watch Series 8 has been rolled out in mid-September 2022. New watch faces, an always-on and larger display, and better durability are the highlights of this new series. There’s better menstrual cycle tracking for women thanks to a new suite of features, including a new temperature sensor to get ovulation estimation, among other things.

There are also new safety features, such as crash detection to provide automatic notification to emergency services and contacts. It’s made possible by updated motion sensing with a new gyroscope and accelerometer.

Low-power mode disables some of the less necessary features, like the always-on display, to extend to a projected 36 hours. The starting price is $429 at Amazon.

Apple Watch Series 9

Apple Watch Series 9 has been rolled out in September, 2023. The Series 9 watch follows the same design as previous models with two case sizes – 41mm and 45mm. One difference is that the Series 9 watch is available in pink alongside its standard color options, to match the iPhone 15 colors.

Apple Watch Series 9 is more capable, intuitive, and faster. The advanced display system in Series 9 boosts the maximum brightness. The S9 chip enables a superbright display and a magical new way to quickly and easily interact with your Apple Watch without touching the screen.

Advanced features related to health, safety, and activity provide powerful insights and help when you need it. The digital crown and the buttons remain unchanged. Watch OS 10 powers the new Smartwatch Series 9.

With this Series, you get new watch bands that are environment friendly, and Apple is getting rid of the leather bands.

The Series 9 starts at $399. The price range depends on the size of the watch and the price goes up if you decide you want a Cellular model.

Apple Watch Series 10

The Apple Watch Series 10 pairs a thinner and lighter design with bigger displays for an improved new feel on the wrist. The Apple Watch Series 10 brings several enhancements over the Series 9, but for most users, the differences are incremental. The thinner and lighter design is an improvement, but it doesn’t fundamentally alter the device’s overall appearance or experience. The slightly larger display and wide-angle OLED, while improving readability, isn’t a drastic change.

The improved speaker and microphone on the Series 10 are also worth noting as minor upgrades. The new speaker can playback media for the first time and the microphone now features voice isolation, improving call clarity in noisy environments.

One of the more significant changes is the faster charging. The Series 10 charges to 80% in around 30 minutes, compared to 45 minutes for the Series 9, which could be a noteworthy improvement for users who frequently need quick charges. Additionally, the Series 10 introduces new finishes, including polished Jet Black aluminum and polished titanium options, offering a more premium aesthetic.

The Series 10 watches start at $399 for the GPS model and $499 for the cellular model.

You may also like to read this related post: How to charge Apple Watch without Charger

Frequently asked questions

Now that it is explained in detail what does an Apple Watch do and how do Apple Watches work, let me address some of the related questions often asked by prospective buyers of Apple Watch:

What are the major advantages of Apple Watch? 

The following are the major advantages of Apple Watch:
1. Features like fall detection, emergency SOS, and high and low heart rate notifications make the Apple Watch great for senior family members, even if they don’t have an iPhone;

In addition to these standout safety features, Apple Watch offers a range of health and fitness benefits that appeal to users of all ages:

• Advanced Fitness Tracking: With the introduction of VO2 Max monitoring, the Apple Watch now provides deeper insight into your cardiovascular fitness. This feature, once limited to hardcore athletes, is now available to everyone, allowing you to track your body’s ability to deliver oxygen to your blood and receive alerts if your fitness level drops below healthy standards.
• Heart Health Notifications: The Apple Watch keeps a vigilant eye on your heart rate, sending you notifications if it detects that your heart rate is too high or too low compared to your personalized thresholds. You can easily set these thresholds in the companion app, ensuring that you’re promptly alerted to potential issues and long-term heart health trends.
• Peace of Mind for Families: With these built-in health and safety alerts, families can feel more secure knowing that their loved ones are protected and that serious health concerns—like irregular heartbeats or sudden falls—won’t go unnoticed.

These features combine to make the Apple Watch not just a smart accessory, but a proactive health companion for everyday life.

2. Calling, texting, and location sharing provides an easy way to stay connected with your family.

What is Apple Watch good for?

Apple Watch is perfect for hiking, biking, running, swimming, surfing, and other water activities. But that’s just scratching the surface. Most people use Apple Watch to track their health and fitness—counting steps, monitoring heart rate, keeping tabs on sleep, and recording workouts. Beyond fitness, it’s handy for listening to music or podcasts on the go, using Siri to set reminders, sharing photos, and managing notifications right from your wrist. With each software update, Apple Watch’s voice assistant becomes more helpful. Siri on Apple Watch now uses machine learning to surface timely info—like live sports scores, weather updates, or even your current heart rate during a workout—all in glanceable cards on the Siri watch face. The process is simple and intuitive: just raise your wrist to activate Siri, no “Hey Siri” required. If that doesn’t do the trick, you can always press and hold the Digital Crown to speak your command. This makes setting reminders, checking the news, or sending quick messages fast and hands-free, whether you’re jogging, cooking, or in the middle of a meeting.

Whether you’re training for a marathon, trying to close your activity rings, or just staying organized, Apple Watch is designed to make daily life a bit more convenient and connected.

Can I use Apple Watch without iPhone?

It’s not possible to set up an Apple Watch without an iPhone. The Watch must be paired with an iPhone to link an Apple ID. The Watch is designed to be a companion device to an iPhone. You cannot use Apple Watch without an iPhone for much of its functionality. However, some functions don’t depend on an iPhone, particularly related to health and exercise.

Can I Facetime on Apple Watch?

Yes, you can make Facetime Audio calls on your Apple Watch. It is better if you can find a quiet place to make the call. Though audio has much improved in newer Apple Watch models, it’s still not as good as making a call on your iPhone. Placing a Facetime call on an Apple Watch is quite easy.

Can you text on Apple Watch?

Yes, you can text on your Apple Watch. You can read and give replies and send new text messages directly on your Apple Watch.

What Charger Should I Use for Apple Watch?

Following are the top 5 Apple Watch Chargers you can try to use for Apple Watch:

1. ESR Portable Charger for Apple Watch;

2. Cordless Apple Watch Charger;

3. Anker Portable Magnetic Charger;

4. Maco Go Apple Watch Charger;

5. Scosche BaseLynx Watch Charger;

Beyond chargers, you can truly customize your Apple Watch experience with a range of smart accessories—especially interchangeable straps that add both style and function. Some advanced bands now include features like camera stabilization, built-in microphones, and even WiFi connectivity, letting you take high-resolution pictures and videos, use Siri hands-free, or share moments on the go. These innovative straps turn your Apple Watch into even more of a versatile companion, perfect for users who want to make the most out of their wearable tech.

How far can the Apple Watch be from the iPhone?

Though the normal Bluetooth range is around 10 to 15 meters when connected to a Wi-Fi network, your Apple Watch will stay in contact with your iPhone anywhere in the house where that network covers you.

Is the Apple Watch water-resistant?

Apple doesn’t market its Apple Watch as waterproof; instead, it gives the watch a high water resistance rating. Apple says it’s fine to wear the watch in the rain or while showering, but it doesn’t recommend exposing the Watch to soaps, shampoos, conditioners, and perfumes as they can negatively affect the water seals and acoustic membranes of the Watch.

If you do wear your Apple Watch in the shower, or take it for a swim, it’s important to know how to properly care for it afterward. For instance, after swimming or exposure to water, you can use the Water Lock feature to help eject any trapped water from the speaker. Just swipe up from the main home screen to open the Apple Watch Control Center, tap on the water droplet icon, and then twist the Digital Crown to expel the water. This helps maintain the integrity of the Watch’s water resistance and keeps it functioning smoothly.

You might also like to read this related post: Apple Watch not turning on – here’re 5 best solutions

Conclusion

After going through the details of the Apple Watch in the post such as major Apple Watch functions, Apple Watch features, how does an Apple Watch work and what does an Apple watch do using its features, you can very well realize that the iPhone-compatible Apple wristwatch is practical, stylish, and real fun.

Apple is encouraging third-party developers to create apps, especially for its Apple smartwatch using Watch-Kit, the software toolkit Apple built for third-party app development. It is easy to see that the possibilities of many more uses of the Apple Watch are endless over and above what Apple Watch can do at present. The primary reason many users choose to adopt or upgrade their Apple Watch is the improved health features, convenience, and seamless integration with other Apple devices.

Shortly, the features of an Apple Watch could be extended to using the watch as your electronic boarding pass or to remotely start your car, and many more services. The argument that smartwatches cause privacy issues appears baseless.

While it is a fact that wearable devices by their very disposition would require access to the cloud to function at their best, this is not a prerequisite. Just as in smartphones, smartwatches will also have privacy settings that allow users to decide what information they would like to share with the cloud or remote servers.