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 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 Listen to your favourite music, podcasts, and audiobooks (for use with GPS models) Make purchases instantly and securely from your wrist with Apple Pay 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 With cellular, stay connected even without your iPhone nearby 10 Set up and manage an Apple Watch for each family member, right from your iPhone, with Family Setup 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. 8 Battery life varies by use. 10 Wireless service plan required for cellular service.