Design & Display
49mm titanium case
Always-On Retina display
Up to 3000 nits
Wide-angle OLED
LTPO3
Health & Fitness Features
Hypertension notifications Footnote 3
ECG app Footnote 4
High and low heart rate notifications
Irregular rhythm notifications Footnote 5
Low cardio fitness notifications
Blood Oxygen app Footnote 6
Sleep Tracking
Sleep apnea no
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Design & Display
49mm titanium case
Always-On Retina display
Up to 3000 nits
Wide-angle OLED
LTPO3
Health & Fitness Features
Hypertension notifications Footnote 3
ECG app Footnote 4
High and low heart rate notifications
Irregular rhythm notifications Footnote 5
Low cardio fitness notifications
Blood Oxygen app Footnote 6
Sleep Tracking
Sleep apnea notifications Footnote 7
Sleep score
Vitals app featuring heart rate, respiratory rate, wrist temperature, and sleep duration Footnote 8
Temperature sensing Footnote 9
Cycle Tracking with retrospective ovulation estimates Footnote 10
Safety & Emergency
Emergency SOS Footnote 11
Emergency SOS via satellite Footnote 23
International emergency calling Footnote 12
Fall Detection and Crash Detection Footnote 11
Siren
Water Resistance
Water resistant 100m Footnote 24
Swim, snorkel, scuba, high-speed water sports
Depth gauge to 40m
Water temperature sensor
Performance & Chip
S10 chip
Wrist flick gesture
Double tap gesture
On-device Siri with health data access Footnote 14
Precision Finding for iPhone Footnote 15
Connectivity
Precision dual-frequency GPS
Cellular and satellite Footnote 2, Footnote 23
5G capable Footnote 1
Battery & Charging
Up to 42 hours Footnote 25
Up to 72 hours in Low Power Mode Footnote 25
Fast-charge capable:
0–80% in about 45 minutes Footnote 26
15 minutes for up to 12 hours Footnote 27
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