GPS model lets you take calls and reply to texts from your wrist
Measure your blood oxygen with an all-new sensor and app
Check your heart rhythm with the ECG app
The Always-On Retina display is 2.5x brighter outdoors when your wrist is down
Track your daily activity on Apple Watch and see your trends in the Fitness app on iPhone
Measure workouts like running, walking, cycling, yoga, swimming, and dance
Sync your favourite music, podcasts, and audiobooks
Pay instantly and securely from your wrist with Apple Pay
High and low heart rate notifications and irregular heart rhythm notification
Built-in compass and real-time elevation readings
Can detect if you’ve taken a hard fall, then automatically call emergency services for you
Emergency SOS lets you get help from your wrist