Size and Weight
46mm
Height: 46mm
Width: 39mm
Depth: 9.7mm
416 by 496 pixels
1220 sq mm display area
Weight (aluminum, GPS + Cellular):35.3 grams
Weight (titanium): 41.7 grams
42mm
Height: 42mm
Width: 36mm
Depth: 9.7mm
374 by 446 pixels
989 sq mm display area
Weight (aluminum, GPS + Cellular):29.3 grams
Weight (titanium): 34.4 grams
Controls
Digital Crown with haptic feedback
Side button
Double tap gesture
Siri with on‑device processing
Chip
S10 SiP with 64‑bit dual core processor
4‑core Neural Engine
64GB capacity
Sensors
Electrical heart sensor
Third‑generation optical heart sensor
Temperature sensor
Compass
Always‑on altimeter
High‑g accelerometer
High dynamic range gyroscope
Ambient light sensor
Depth gauge
Water temperature sensor
Health and Wellness
ECG app
Cycle Tracking app with retrospective ovulation estimates
Heart Rate app
High and low heart rate notifications
Irregular rhythm notifications
Medications app
Mindfulness app with state of mind tracking
Noise app
Sleep app including sleep stages
Sleep apnea notifications
Display
LTPO3 OLED Always‑On Retina display
Wide‑angle OLED
Up to 40% brighter when viewed at an angle
Edge‑to‑edge display
Ion‑X front glass (aluminum cases)
Sapphire front crystal (titanium cases)
Up to 2000 nits maximum brightness
1 nit minimum brightness
326 pixels per inch
Audio
Speaker
Media playback
Power and Battery Life
All‑day battery life, up to 18 hours of normal use
Up to 36 hours in Low Power Mode
Built‑in rechargable lithium‑ion battery
Fast‑charge capable
Up to 80% charge in about 30 minutes
15 minutes for up to 8 hours of normal use
8 minutes for up to 8 hours of sleep tracking
