HYPERTENSION ALERTS — Apple Watch Series 11 can detect signs of chronic high blood pressure and alert you to potential hypertension. LEARN YOUR SLEEP SCORE — Sleep Score offers an easy way to track and understand the quality of your sleep so you can make it more restorative. EVEN MORE HEALTH INFO — Get an ECG anytime. Get alerts for high and low heart rates, irregular rhythms⁴ and possible sleep apnea. See overnight health metrics with the Vitals app and measure blood oxygen. IMPRESSIVE DESIGN — Slim and lightweight, Series 11 is comfortable to wear 24/7—during exercise and even while sleeping to track key metrics. POWERFUL FITNESS PARTNER — With advanced metrics for all your workouts, plus features like Pacer, Heart Rate Zones, training load and more. BIG INCREASE IN BATTERY LIFE — With up to 24 hours of regular use², and quick charging for up to 8 hours of use in just 15 minutes. BUILT TO LAST — With a highly durable glass display that’s 2x more scratch-resistant than Series 10. Series 11 is also water-resistant to 50 meters and IP6X certified for dust resistance. SAFETY FEATURES — Series 11 can detect a serious fall or car accident, automatically connect you to emergency services, and notify your emergency contacts. The Check In feature can automatically notify a loved one when you arrive at your destination. STAY CONNECTED — Text, answer calls, listen to music, and get notifications. Series 11 (GPS) works with iPhone or Wi-Fi to stay connected.