-Always-on Retina display has nearly 20% more screen area than Series 6, making everything easier to see and use
-The most crack-resistant front crystal yet on an Apple Watch, IP6X dust resistance, and swimproof design
-Measure your blood oxygen with a powerful sensor and app
-Take an ECG anytime, anywhere
-Get high and low heart rate, and irregular heart rhythm notifications
-Stay in the moment with the new Mindfulness app, and reach your sleep goals with the Sleep app
-Track new tai chi and pilates workouts, in addition to favorites like running, yoga, swimming, and dance
-Track your daily activity on Apple Watch, and see your trends in the Fitness app on iPhone
Sync your favorite music, podcasts, and audiobooks
-Pay instantly and securely from your wrist with Apple Pay