LTPO3 OLED Always‑On Retina display
Wide-angle OLED
Up to 2,000 nits
Up to 40% brighter when viewed at an angle
ECG app1
High and low heart rate notifications1
Irregular rhythm notifications2
Low cardio fitness notifications
Blood Oxygen app3
Sleep Tracking
Sleep apnoea notifications4
Vitals app featuring heart rate, respiratory rate, wrist temperature, blood oxygen and sleep duration3, 5
Temperature sensing6
Cycle tracking with retrospective ovulation estimates7
Emergency SOS8
International Emergency Calling9
Fall Detection and Crash Detection8, 10
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Water resistant12
Swimproof12
Depth gauge to 6m
Water temperature sensor
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GPS
Available cellular connectivity14
S10 SiP
Double tap gesture
Faster on-device Siri16
Precision Finding for iPhone17
Up to 18 hours normal use19
Up to 36 hours in Low Power Mode19
Faster charging (0–80% in about 30 minutes)21