Fundamentally redesigned & re-engineered. The largest Apple Watch display yet. Built-in heart sensor. New Digital Crown with haptic feedback. Low & high heart rate notifications. Fall Detection & Emergency SOS. New Breathe watch faces. Automatic workout detection. New yoga & hiking workouts. Advanced features for runners like cadence & pace alerts. New head-to-head competitions. Activity sharing with friends. Personalised coaching. Monthly challenges & achievement awards. Built-in cellular connectivity lets you use Walkie-Talkie, make phone calls & send messages. Stream Apple Music & Apple Podcasts. & use Siri in all-new ways
- even while you’re away from your phone. With Apple Watch Series 4, you can do it all with just your watch. GPS + Cellular Over 30% larger display Optical heart sensors Digital Crown with haptic feedback 50% louder speaker S4 Si P with faster 64-bit dual-core processor enhanced accelerometer & gyroscope for fall detection Swimproof watch OS 5 Aluminium or stainless steel case