Apple Watch Series 4 (GPS + Cellular 44MM) - Silver Aluminum Case with White Spo

PRODUCT OVERVIEWFundamentally redesigned and reengineered. The largest Apple Watch displays yet. Built-in electrical heart sensor. New Digital Crown with haptic feedback. Low and high heart rate notifications. Fall detection and Emergency SOS. Automatic workout detection. New yoga and hiking workouts. Advanced features for runners like cadence and pace alerts. Activity sharing with friends. Personalized coaching. You can use Walkie-Talkie make phone calls and send messages. Listen to Apple Music and Apple Podcasts. And use Siri in all-new ways. Apple Watch Series 4 lets you do it all right from your wrist.KEY FEATURES44mm Aluminium CaseGPS + Cellular¹Over 30% larger display³Electrical and optical heart sensorsDigital Crown with haptic feedback50% louder speaker³S4 SiP with a faster 64-bit dual-core processorImproved accelerometer and gyroscope for fall detectionSwimproof⁴watchOS 5