A3333
46mm or 42mm aluminum or titanium case
Always-On Retina display
Up to 2000 nits
Wide-angle OLED
LTPO3
Hypertension notifications
ECG app
High and low heart rate notifications
Irregular rhythm notifications
Low cardio fitness notifications
Blood Oxygen app
Sleep Tracking
Sleep apnea notifications
Sleep score
Vitals app featuring heart rate, respiratory rate, wrist temperature, and sleep duration Footnote 8
Temperature sensing
Cycle Tracking with retrospective ovulation estimates
Emergency SOS
-
International emergency calling
Fall Detection and Crash Detection
-
Water resistant 50m
Swim, snorkel
Depth gauge to 6m
Water temperature sensor
GPS
Cellular options
5G capable
S10 chip
Wrist flick gesture
Double tap gesture
On‑device Siri with health data access
Precision Finding for iPhone
Up to 24 hours
Up to 38 hours in Low Power Mode
Fast-charge capable
(0–80% in about 30 minutes ; 15 minutes for up to 8 hours