Apple Watch SE 3 is packed with health, fitness, connectivity and safety essentials — plus it’s great value. Track your sleep score. Get richer health insights in the Vitals app. Stay active with a wide range of workouts. Save time with fast charging. See your info at a glance with the Always-On display. And still get all-day, 18-hour battery life. Health Essentials Temperature sensing enables richer insights in the Vitals app and retrospective ovulation estimates. You’ll also get a daily sleep score and sleep apnoea notifications, and be alerted if you have an unusually high or low heart rate, or an irregular rhythm. Great Battery Life Enjoy all-day, 18-hour battery life. Then charge up to twice as fast as SE 27 and get up to 8 hours of battery in just 15 minutes Always-On Display Now you can read the time and see the watch face wit ...