Apple Watch Series 8 features advanced health sensors and apps, so you can take an ECG¹, measure heart rate¹ and blood oxygen², and track temperature changes³ for advanced insights into your menstrual cycle⁴. And with Crash Detection, sleep stages tracking, and advanced workout metrics, it helps you stay active, healthy, safe, and connected. See Dimension section below for band sizing information. 

• Temperature sensor provides retrospective ovulation estimates and advanced cycle tracking features⁴

• Measure your blood oxygen with a powerful sensor and app²

• Take an ECG anytime, anywhere¹

• Get high and low heart rate, and irregular rhythm notifications¹

• Advanced safety features, including Fall Detection, Emergency SOS⁵, 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, and increased durability for fitness and activity

• Call, text, and email with just a few taps

• Listen to your favorite music, podcasts, and audiobooks (for use with GPS models)

• Make purchases instantly and securely from your wrist with Apple Pay⁷

• Large, Always-On, edge-to-edge display

• All-day battery life and fast charging⁸

• Sleep stages tracking lets you see how much time you spend in REM, core, and deep sleep

• watchOS 9 features an enhanced Workout app, a new Medications app, sleep stages, and greater insights into heart health

• Apple Watch comes with 3 free months of Apple Fitness+, featuring 11 different workout types, from HIIT to Yoga, and even meditations⁹

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  ¹Apple Watch Series 8 requires an iPhone 8 or later with iOS 16 or later.

• ²The ECG app and irregular rhythm notification require the latest versions of watchOS and iOS and are not intended for use by people under 22 years old.

• The ECG app is available on Apple Watch Series 4 or later (not including Apple Watch SE). The irregular rhythm notification is not designed for people who have been previously diagnosed with Afib.

• ³Blood Oxygen app measurements are not intended for medical use, including self-diagnosis or consultation with a doctor, and are only designed for general fitness and wellness purposes.

• ⁴The temperature sensing feature is not a medical device and is not intended for use in medical diagnosis, treatment, or for any other medical purpose.

• ⁵The Cycle Tracking app should not be used as a form of birth control. Data from the Cycle Tracking app should not be used to diagnose a health condition.

• ⁶Emergency SOS requires a cellular connection or Wi-Fi Calling with an internet connection from your Apple Watch or nearby iPhone.