Temperature sensor[3] provides retrospective ovulation estimates and advanced cycle tracking features

Measure your blood oxygen with a powerful sensor and app

Take an ECG at any time, anywhere

Get high- and low-heart-rate and irregular rhythm notifications

Advanced safety features, including Fall Detection, Emergency SOSand 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 swim-proof design6, 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

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

All-day battery lifeand 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

Apple Watch comes with three months of Apple Fitness+, featuring 11 different workout types, from HIIT to Yoga, and even meditations