Low and top heart rate notifications. Emergency SOS. New Breathe watch faces. Automatic workout detection. New yoga and climbing workouts. Advanced features for runners like cadence and pace alerts. New head-to-head competitions. Activity sharing with friends. Personalized training. Per month challenges and fulfillment awards. Built-in cellular means that you can use Walkie-Talkie, make telephone calls, and send messages. Stream Apple Music and Apple Podcasts. And use Siri in all-new ways—even at the same time as you’re away out of your telephone. With Apple Watch Series 3, you’ll do it all with just your watch.

GPS + Cellular
Optical heart sensor
Digital Crown
S3 with dual-core processor
Accelerometer and gyroscope
Swimproof
watchOS 5
Aluminium case