eSIM IP6X certified 100m water resistant (WR100) 40m swimproof/diving (EN13319) MIL-STD 810H certified ECG certified (region dependent SW application; HW available on all models)
Display
Type
Retina LTPO OLED, 2000 nits (peak)
Size
1.92 inches
Resolution
502 x 410 pixels (~338 ppi density)
Protection
Sapphire crystal glass Always-on display
Platform
OS
watchOS 9.0, upgradable to watchOS 10.2
Chipset
Apple S8
CPU
Dual-core
GPU
PowerVR
Memory
Card slot
No
Internal
32GB
Sound
Loudspeaker
Yes, with dual speakers (86-decibel)
Comms
WLAN
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
5.3, A2DP, LE
Positioning
GPS (L1+L5), GLONASS, GALILEO, BDS
NFC
Yes
Features
Sensors
Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water) Temperature sensing (0.01˚ accuracy) Depth gauge (±1m accuracy) Ultra Wideband (UWB) support
Battery
Type
Li-Ion 542 mAh, non-removable
Charging
Wireless, 0-80% in 60 min (advertised)
Misc
Colors
Titanium
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