About this item:
 
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
 
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