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 26.1
Chipset
Apple S8
CPU
Dual-core
GPU
PowerVR
Memory
Card slot
No
Internal
32GB
Sound
Loudspeaker
Yes, with dual speakers (86-decibel)
3.5mm jack
No
35mm jack
No
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
Radio
No
USB
No
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)
Natural language commands and dictation (talking mode)
Ultra Wideband (UWB) support
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