| Display | 1.50" LTPO AMOLED, 466 x 466, up to 2,200 nits peak brightness, sapphire crystal cover glass | Flat crystal, up to 3000 nits |
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| Chipset | Dual-chip design: Qualcomm Snapdragon W5 plus BES2800BP low-power MCU | Apple S9 SiP, 2nd-gen Ultra Wideband |
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| Storage | 32GB (listed by OnePlus as "Memory"; RAM is not stated) | — |
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| Case | Stainless steel case with titanium bezel (black or silver); supports standard 22mm straps | — |
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| Size | 46.6 mm (excluding lugs) x 47.6 mm x 11.75 mm (excluding sensor area); 49.7 g without strap, 81 g with strap; fits 140-210 mm wrists | — |
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| Battery | Up to 5 days in Smart Mode, up to 3 days with heavy use, up to 16 days in Power Saver Mode; about 10 minutes of charging gives roughly one day | Up to 36 hours; up to about 60 hours in low-power mode |
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| Sensors | Wrist temperature, optical heart rate, optical pulse oximeter, geomagnetic, light, barometer, accelerometer, gyroscope | — |
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| Health Features | 60-second Health Check-In, vascular health (arterial stiffness), sleep quality and snoring risk, SpO2, heart rate alerts, Mind and Body | — |
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| Connectivity | Bluetooth 5.2, Wi-Fi 2.4/5GHz, NFC, Bluetooth calling, dual-frequency GPS (L1+L5), BeiDou, Galileo, GLONASS, QZSS | Cellular, dual-frequency GPS (L1 + L5) |
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| Durability | IP68, 5ATM, MIL-STD-810H tested | — |
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| Payments | Google Wallet | — |
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| OS | Wear OS by Google plus RTOS | watchOS 10 (at launch) |
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| Colors | Emerald Titanium, Obsidian Titanium | — |
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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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