Battery
- life
- Up to 18 hours (all-day)
- charging
- Magnetic charging with USB-C cable
Display
- type
- Retina LTPO OLED display
- cover
- Ion-X strengthened front glass
- resolution_40mm
- 324 x 394 pixels (759 sq mm area)
- resolution_44mm
- 368 x 448 pixels (977 sq mm area)
Sensors
- list
- Second-generation optical heart sensor, high-g accelerometer (up to 256g), high dynamic range gyroscope, ambient light sensor, compass, always-on altimeter
- features
- Crash Detection, Fall Detection, Emergency SOS
Physical
- wrist_fit
- 40mm fits 130-200mm; 44mm fits 140-245mm
- case_sizes
- 40mm and 44mm aluminum case
- weight_40mm
- 26.4 g (GPS) / 27.8 g (GPS + Cellular)
- weight_44mm
- 32.9 g (GPS) / 33 g (GPS + Cellular)
- dimensions_40mm
- 40 x 34 x 10.7 mm
- dimensions_44mm
- 44 x 38 x 10.7 mm
- water_resistance
- WR50 (50 meters per ISO 22810:2010), swimproof
Software
- os
- watchOS
Connectivity
- chip
- Apple S8 SiP (64-bit dual-core processor)
- other
- NFC, GPS/GNSS (GPS, GLONASS, Galileo, QZSS)
- models
- GPS or GPS + Cellular (LTE)
- storage
- 32GB
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