The Apple Watch Series 8 - A healthy leap ahead. Apple Fitness+, the ultimate fitness experience powered by Apple Watch. Get 3 months free when you buy Apple Watch. Offer available to new subscribers who purchase an eligible device after September 7, 2022. £9.99/month after free trial. No commitment. Plan automatically renews after trial until cancelled. Only one offer per Apple ID. This offer is not available if you or your family have previously subscribed to Apple Fitness+. Restrictions and other terms apply. Apple Watch Series 8 features advanced health sensors and apps, so you can take an ECG, 1 measure heart rate and blood oxygen, 2 and track temperature changes 3 for advanced insights into your menstrual cycle. 4 And with Crash Detection, sleep stages tracking, and advanced workout metrics, it helps you stay active, healthy, safe, and connected. Temperature sensor 3 provides retrospective ovulation estimates and advanced cycle tracking features 4 Measure your blood oxygen with a powerful sensor and app 2 Take an ECG anytime, anywhere 1 Get high and low heart rate, and irregular rhythm notifications 1 Advanced safety features, including Fall Detection, Emergency SOS, 5 and Crash Detection Enhanced Workout app with more advanced metrics and ways to train A completely redesigned Compass app with waypoints and Backtrack Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone The most crack-resistant front crystal yet on an Apple Watch, IP6X dust resistance and swimproof design, 6 and increased durability for fitness and activity Call, text, and email with just a few taps Listen to your favourite music, podcasts, and audiobooks (for use with GPS models) Make purchases instantly and securely from your wrist with Apple Pay 7 Large, Always-On, edge-to-edge display All-day battery life and fast charging 8 Sleep stages tracking lets you see how much time you spend in REM, core, and deep sleep PLEASE NOTE: This watch is designed for use with iPhones only and is not compatible with Android devices. Additional information: Depth: 20 MM Height: 250 MM Width: 40 MM 1 The ECG app not intended for use by people under 22 years old. 2 Blood Oxygen app not intended for medical use. 3 Temperature sensing feature is not a medical device. 4 The Cycle Tracking app is not a form of birth control. 5 SOS requires a cellular connection. 6 Series 8 has a water resistance ISO standard 22810:2010. 7 Apple Pay is not available in all markets. 8 Battery life varies by use.