Release Date of Item: 19/09/2025. Stay one beat ahead. Get meaningful insights about your health, ...Release Date of Item: 19/09/2025. Stay one beat ahead. Get meaningful insights about your health, just by wearing your Apple Watch SE 3. A new wrist temperature sensor enables deeper insights in the Vitals app and retrospective ovulation estimates in the Cycle Tracking app. You'll also receive a daily sleep score and possible sleep apnoea notifications. It's never been easier to live in the know. Make every move count. From running to riding your bike, tennis to tai chi, Apple Watch SE 3 gives you a healthy number of ways to track your workouts. With real time metrics and new personalised fitness encouragement, it will motivate you to hit your goals like never before. The S10 chip - the same epic chip that runs Apple Watch Series 11 and Ultra 3 - comes to SE 3, giving you all new superpowers. Now the Always On display shows the information you want at a glance, without raising your wrist. And intuitive gestures, like double tap and wrist flick, make your watch even easier to control with just one hand when you're holding a coffee or carrying shopping. With Apple Watch SE 3, you can keep in touch with the people and things that matter most. Cellular lets you stay connected even when you don't have your iPhone nearby. And now with 5G capability, you can download apps faster and stream music or podcasts at the speed of go go go. 44mm Display Always-on display with Ion-X glass for improved durability S10 chip for faster performance & responsiveness Sleep Score & sleep apnea detection for enhanced health monitoring 5G support for faster connectivity Up to 18 hours of battery life on a single charge Twice the charging speed compared to previous models Gesture controls: double-tap & wrist-flick support Music & podcast playback through built-in speaker watchOS 26 with Liquid Glass UI & AI-powered Workout Buddy. Apple Watch SE 3 has all the essentials you love. Your health is important, so you can track your sleep score. Or get rich health insights in the Vitals app. It can help you to track a wide range of workouts. See everything at a glance with the Always-On display. Feeling tired? Watch SE 3 won't be. It gives you all-day 18 hour battery life. And fast charging lets you get back out there quicker. Good to know - HEALTH ESSENTIALS — Temperature sensing enables richer insights in the Vitals app1 and retrospective ovulation estimates. You'll also get a daily sleep score, sleep apnoea notifications, and be alerted if you have a high or low heart rate or an irregular rhythm - GREAT BATTERY LIFE — Enjoy all-day, 18-hour battery life. Then charge up to twice as fast as SE 27 and get up to 8 hours of battery in just 15 minutes - ALWAYS-ON DISPLAY — Now you can read the time and see the watch face without raising your wrist to wake the display - A GREAT FITNESS PARTNER — Apple Watch SE 3 gives you a healthy number of ways to track your workouts. With real-time metrics and Workout Buddy powered by Apple Intelligence from your nearby iPhone, you'll hit your goals like never before - STAY CONNECTED — Send a text, take a call, listen to music and podcasts, use Siri and get notifications. Apple Watch SE 3 (GPS) works with your iPhone or Wi-Fi to keep you connected - SAFETY FEATURES — SE 3 can detect a hard fall or serious car crash, automatically help connect you with emergency services and notify your emergency contacts. Check In can automatically notify a loved one when you've arrived at your destination - APPLE WATCH FOR YOUR KIDS — Set up Apple Watch For Your Kids, even if they don't have their own iPhone. So they can call, text and share their location - YOUR WATCH, YOUR WAY — Express yourself with dozens of easily customisable faces and a wide range of straps in different colours, styles and materials
Apple Watch SE 3 GPS 44mm Smartwatch with Midnight Aluminium Case with Midnight Sport Band M/L. Fitness and Sleep Trackers, Heart Rate Monitor, Always-On Display, Water Resistant
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AmazonApple Watch SE 3 GPS 44mm Smartwatch with Midnight Aluminium Case with Midnight Sport Band M/L. Fitness and Sleep Trackers, Heart Rate Monitor, Always-On Display, Water Resistant
Apple Watch SE 3 GPS 44mm Smartwatch with Midnight Aluminium Case with Midnight Sport Band M/L. Fitness and Sleep Trackers, Heart Rate Monitor, Always-On Display, Water ResistantFree delivery in 1–3 days£249.00Visit shop →
Apple Watch SE 3 GPS + Cellular 44mm Smartwatch with Midnight Aluminium Case with Midnight Sport Band M/L. Fitness and Sleep Trackers, Heart Rate Monitor, Always-On Display, Water ResistantFree delivery in 1–3 days£319.00Visit shop →
Apple Watch SE 3 GPS + Cellular 44mm Smartwatch with Midnight Aluminium Case with Midnight Sport Band S/M. Fitness and Sleep Trackers, Heart Rate Monitor, Always-On Display, Water ResistantFree delivery in 1–3 days£319.00Visit shop →
Apple Watch SE 3 GPS + Cellular 44mm Smartwatch with Midnight Aluminium Case with Midnight Sport Band S/M. Fitness and Sleep Trackers, Heart Rate Monitor, Always-On Display, Water ResistantFree delivery in 1–3 days£319.00Visit shop →
Apple Watch SE 3 GPS + Cellular 44mm Smartwatch with Midnight Aluminium Case with Midnight Sport Band M/L. Fitness and Sleep Trackers, Heart Rate Monitor, Always-On Display, Water ResistantFree delivery in 1–3 days£319.00Visit shop →
AO.comApple Watch SE 3 - Smartwatch - 44mm - Black - GPS
The Apple Watch SE 3 is designed for anyone who wants to stay connected, track their health, and stay active without breaking the bank. The key benefit is its comprehensive health and fitness tracking features, including sleep monitoring, crash detection, and workout tracking, all in a stylish and affordable package. However, it's worth noting that the battery life is up to 18 hours, which might require daily charging depending on your usage. This guide provides an in-depth look at the Apple Watch SE 3's features, performance, and how to make the most of your device.
All features
Colour
Black
Dial Size
44mm
Series
SE 3
Model Part Number
MEHQ4MP/A
Brand
Apple
Extended Product Information
FAQs
How do I change the watch band?
Press the band release button and slide the band sideways to remove it. Then, slide the new band in until it clicks.
Is the Apple Watch SE 3 waterproof?
It is water-resistant up to 50 meters, suitable for swimming and other shallow-water activities. It is not recommended for scuba diving.
How do I check my heart rate?
Open the Heart Rate app on your watch.
Can I make calls on my Apple Watch SE 3?
Yes, if you have a cellular plan. Otherwise, you can make calls when connected to your iPhone via Bluetooth or Wi-Fi.
How do I find my watch if I lost it?
Use the Find My app on your iPhone to locate your watch. If the watch is nearby, you can make it play a sound.
How do I update my Apple Watch SE 3?
Make sure your watch is charging and connected to Wi-Fi. Go to the Watch app on your iPhone, then General > Software Update.
What is the battery life of the Apple Watch SE 3?
Up to 18 hours with normal usage.
How do I use the Emergency SOS feature?
Press and hold the side button until the Emergency SOS slider appears. Drag the slider to call emergency services. You can also set up Emergency SOS to automatically call emergency services after a hard fall or serious car crash.
Troubleshooting
Watch won't turn on.
Make sure the watch is charged. Press and hold the side button until the Apple logo appears.
Poor battery life.
Check your usage in the Battery settings. Reduce the use of power-intensive apps and features, or lower the screen brightness.
Watch not connecting to iPhone.
Ensure Bluetooth is enabled on your iPhone and that the watch is within range. Restart both devices and try again.
Apps not updating or installing.
Check your Wi-Fi or cellular connection. Make sure your iPhone is connected to Wi-Fi. Also, check that the watch has enough storage space.
Heart rate readings are inaccurate.
Ensure the watch is worn snugly on your wrist. Clean the back of the watch and your wrist to remove any dirt or sweat.
Pros and Cons
Pros
Comprehensive health and fitness tracking.
Always-On Retina display for easy viewing.
5G connectivity for faster performance.
Long battery life (up to 18 hours).
Stylish design and customizable watch faces and bands.
Advanced safety features like crash detection and emergency SOS.
Cons
Battery life may require daily charging depending on usage.
No blood oxygen sensor.
No ECG functionality.
Limited to watchOS 11 at the time of release.
Not as feature-rich as higher-end Apple Watch models.
Requires an iPhone to set up and use.
Setup, Compatibility & Care
Setup:
Pairing with iPhone: The Apple Watch SE 3 works with iPhone XS or later running iOS 17 or later. Turn on your watch and bring it near your iPhone.
Follow On-Screen Instructions: Open the Apple Watch app on your iPhone and follow the prompts to pair your watch. You’ll be asked to sign in with your Apple ID and set up your preferences.
Customize Your Watch Face: Choose from a variety of watch faces and customize them with complications that provide quick access to your favorite apps and information.
Compatibility:
Compatible with iPhone XS or later running iOS 17 or later.
Requires a cellular plan for cellular functionality.
Care:
Cleaning: Wipe the watch with a non-abrasive, lint-free cloth. If needed, you can dampen the cloth slightly with fresh water.
Water Resistance: The Apple Watch SE 3 is water-resistant up to 50 meters, making it suitable for swimming and shallow-water activities. Avoid exposure to soaps, shampoos, and other liquids.
Charging: Charge your Apple Watch SE 3 using the included magnetic charging cable. Place the back of the watch on the charger and plug the cable into a power adapter.
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