Fundamentally redesigned and reengineered. The biggest Apple Watch display yet. Built-in electrical heart sensor. New Digital Crown with haptic feedback. High and low heart rate notifications. Fall detection and Emergency SOS. New Breathe watch faces. Automatic workout detection. New yoga and mountaineering 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. You’ll use Walkie-Talkie, make phone calls, and send messages. Concentrate to Apple Music and Apple Podcasts. And use Siri in all-new ways. Apple Watch Series 4 means that you can do it all right out of your wrist.
GPS, Water resistance to 50 metres3 and watch OS 5
Over 30% larger display
Electrical and optical heart sensors
Digital Crown with haptic feedback
50% louder speaker
S4 sip with faster 64-bit dual-core processor
Improved accelerometer and gyroscope for fall detection