| Display | 1.47" AMOLED touchscreen, 194 x 368 pixels, 282 PPI | 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 | Aluminium alloy (Matte Black, White, Green, Blue, Purple editions) or durable polymer (Black, Pink); fluoroelastomer strap | — |
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| Dimensions | 43.45 x 24.86 x 8.99 mm | — |
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| Weight | About 15 g (aluminium alloy case) or 14 g (polymer case), without strap | — |
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| Battery | Up to 14 days (light use), up to 8 days (typical use), up to 3 days with Always-On Display; full charge in about 45 minutes; magnetic charging | 435 mAh (44 mm), 325 mAh (40 mm), 445 mAh (Classic 46 mm) |
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| Sensors | 9-axis IMU, optical heart rate (PPG) sensor, ambient light sensor | — |
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| Health Features | Heart rate, SpO2, pulse wave arrhythmia alerts, sleep monitoring with respiratory rate and abnormal breathing, HRV, stress monitoring, women's health tracking | — |
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| Workouts | 100 workout modes, AI swimming stroke recognition (nine-axis sensor) | — |
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| Connectivity | Bluetooth 5.0, BLE | LTE models, Bluetooth 5.3, Wi-Fi, NFC, L1+L5 dual-frequency GPS |
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| Water Resistance | 5 ATM (ISO 22810:2010) | — |
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| Compatibility | Android 9.0 or later and iOS 13.0 or later via the Huawei Health app | — |
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| Colors | Green, Blue, Purple, Pink, White, Matte Black, 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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| OS | — | Wear OS 6 with One UI 8 Watch; Gemini out of the box |
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| Health | — | Samsung BioActive Sensor, temperature sensor, Antioxidant Index, Bedtime Guidance, Vascular Load, Running Coach |
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