•GPS
•Always-On Retina display
•30% larger screen
•Swimproof
•ECG app1
•Electrical and optical heart sensors
•Built-in compass
•Elevation
•Emergency SOS2
•Fall detection
•S5 SiP with up to 2x faster 64-bit dual-core processor
•watchOS 6 with Activity trends, cycle tracking, hearing health innovations and the App Store on your wrist
•Aluminum case
•The ECG app is available with the latest versions of iOS and watchOS on Apple Watch Series 4 or later. The ECG app is not intended for use by people under 22 years old.
•To use Emergency SOS, your iPhone needs to be nearby. If your iPhone isn’t nearby, your Apple Watch needs to be connected to a known Wi-Fi network and you must set up Wi-Fi Calling.