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)
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Display
Type
Retina LTPO OLED, 3000 nits (peak)
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Size
1.92 inches
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Resolution
502 x 410 pixels (~338 ppi density)
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Protection
Sapphire crystal glass
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Others
Always-on display
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Platform
OS
watchOS 10
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Chipset
Apple S9
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CPU
Dual-core
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GPU
PowerVR
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Memory
Card Slot
No
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Internal
64GB
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Type of Storage
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Camera
Primary
No
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Single
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Dual
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Triple
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Quad
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Features
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Video
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Selfie Camera
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Selfie Features
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Selfie Video
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Secondary
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Sound
Alert types
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Loudspeaker
Yes
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3.5mm Jack
No
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Others
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Comms
WLAN
Wi-Fi 802.11 b/g/n, dual-band
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Bluetooth
5.3, A2DP, LE
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GPS
GPS (L1+L5), GLONASS, GALILEO, BDS
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NFC
Yes
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Radio
No
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USB
No
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Infared Port
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Features
Sensors
Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), 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 2 (UWB) support