| Display | 1.32-inch AMOLED, 466x466, 352 ppi, 600 nits default peak (1,000 nits in high-brightness mode), 2.5D glass | Flat crystal, up to 3000 nits |
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| Body | 43.2 x 43.2 x 11 mm; 18K PVD gold-plated stainless steel case with leather strap (Glimmer Gold) or 316L stainless steel with fluoroelastomer strap (Nebula Black); about 37.8 g without strap | — |
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| Battery | Up to 60 hours in Smart Mode, up to 7 days in Power Saver Mode; 354 mAh typical (345 mAh rated) | Up to 36 hours; up to about 60 hours in low-power mode |
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| Charging | VOOC watch fast charging, 10 minutes for up to 24 hours of normal use, about one hour for a full charge | — |
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| Chipset | Snapdragon W5 Gen 1 plus BES2800BP MCU | Apple S9 SiP, 2nd-gen Ultra Wideband |
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| RAM | 2GB | — |
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| Storage | 32GB (plus 4GB eMMC for the RTOS) | — |
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| Sensors | Optical heart rate, blood oxygen, accelerometer, gyroscope, geomagnetic, light and barometer sensors | — |
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| Connectivity | Bluetooth 5.2, Wi-Fi 2.4/5GHz, NFC, GNSS (GPS, BeiDou, Galileo, GLONASS, QZSS), Bluetooth calling | Cellular, dual-frequency GPS (L1 + L5) |
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| Durability | 5ATM and IP68 | — |
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| OS | Wear OS by Google plus RTOS for Power Saver Mode; works with Android 9.0 or later phones with Google Mobile Services, not iOS | watchOS 10 (at launch) |
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| Case Size | — | 49mm titanium |
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| Health Sensors | — | Heart rate, water temperature, sleep apnea detection, blood oxygen (calculated on paired iPhone) |
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| Water Resistance | — | WR100 / EN13319, recreational dives to 40 m |
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