| Size | 46.5 x 41 x 11.3 mm, about 40 g without strap; strap width 25.5 mm | — |
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| Display | 1.92-inch AMOLED, 408x480, 328 ppi, up to 3,000 nits peak (Huawei lab figure) | Super AMOLED with full-colour always-on display; 1.47-inch (44 mm) or 1.34-inch (40 mm, 46 mm Classic); sapphire crystal; up to 3,000 nits (Samsung claim) |
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| Case | Aluminum alloy; sand or white composite leather straps, black HNBR strap; M and L airbag straps in the box | — |
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| Battery | Up to 6 days typical use, up to 1 day with ambulatory blood pressure monitoring enabled; wireless charging (Huawei lab tests) | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| Blood pressure | Wrist cuff with mechanical airbag and pressure sensor (oscillometric), resting, pre/post-exercise and 24-hour ambulatory measurements; CE-MDR certified as a medical device in supported markets | — |
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| Sensors | ECG, optical heart rate, 9-axis IMU, barometer, temperature, ambient light, differential pressure, Hall sensor | — |
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| Connectivity | Bluetooth 6.0, NFC (supported services vary by region), speaker and microphone for Bluetooth calls | LTE models, Bluetooth 5.3, Wi-Fi, NFC, L1+L5 dual-frequency GPS |
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| Sports | 100+ workout modes | — |
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| OS | Huawei watch software with the Huawei Health app; works with Android 8.0+ and iOS 13.0+ | Wear OS 6 with One UI 8 Watch; Gemini out of the box |
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| Colors | Mocha Gold, Gold, Black | — |
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| Sizes | — | Watch8 in 40 mm and 44 mm (Graphite, Silver); Watch8 Classic in 46 mm (Black, White) |
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| Chipset | — | Exynos W1000 (5-core, 3 nm) |
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| Memory / Storage | — | 2 GB memory, 32 GB or 64 GB storage depending on model |
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| Body | — | 8.6 mm thick and 30-34 g (Watch8); 10.6 mm and 63.5 g (Classic); 5ATM + IP68 / MIL-STD-810H |
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| Health | — | Samsung BioActive Sensor, temperature sensor, Antioxidant Index, Bedtime Guidance, Vascular Load, Running Coach |
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