Apple Watch Series 8 features advanced health sensors and apps, so you can take an ECG, measure heart rate and blood oxygen, and track temperature changes for advanced insights into your menstrual cycle. 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.

With cellular, stay connected even without your iPhone nearby

Stream or sync your favorite music, podcasts, and audiobooks

Set up and manage an Apple Watch for each family member, right from your iPhone, with Family Setup

Temperature sensor provides retrospective ovulation estimates and advanced cycle tracking features

Measure your blood oxygen with a powerful sensor and app

Take an ECG anytime, anywhere

Get high and low heart rate, and irregular rhythm notifications

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

Call, text, and email with just a few taps

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

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