| Size | 46 mm: 46.4 x 46.4 x 10.9 mm, about 60 g; 42 mm: 42.3 x 42.3 x 10.2 mm, about 38 g (strap excluded) | — |
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| Display | 46 mm: 1.5-inch LTPO 2.0 AMOLED, 466x466, 310 ppi; 42 mm: 1.38-inch LTPO 2.0 AMOLED, 466x466, 338 ppi; up to 3,000 nits peak (Huawei lab figure); spherical sapphire glass | Flat crystal, up to 3000 nits |
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| Case | 46 mm: stainless steel front, polymer composite rear; 42 mm: aluminum alloy front, polymer composite rear; EasyCross fluoroelastomer straps | — |
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| Battery | Up to 4.5 days typical (46 mm), up to 3 days with always-on display; 42 mm: up to 3 days typical, 2 days always-on; Battery saver mode up to 11 days light use (46 mm) or 7 days (42 mm); wireless charging (Huawei lab tests) | Up to 36 hours; up to about 60 hours in low-power mode |
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| Durability | 5 ATM, IP69, free-dive rated to 40 m (EN13319) | — |
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| Sensors | 12-channel optical heart rate (X-TAP), ECG, temperature, barometer, depth, accelerometer, gyroscope, compass, ambient light | — |
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| Positioning | Dual-band GPS (L1+L5), GLONASS, BeiDou, Galileo, QZSS | — |
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| Connectivity | eSIM cellular, Bluetooth 5.2, NFC, NearLink, Wi-Fi 2.4 + 5 GHz, speaker and microphone | Cellular, dual-frequency GPS (L1 + L5) |
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| OS | Huawei watch software with the Huawei Health app; works with Android 9.0+ and iOS 13.0+ | watchOS 10 (at launch) |
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| Colors | 46 mm: Blue, Black; 42 mm: White, Gold, Black | — |
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| Case Size | — | 49mm titanium |
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| Chipset | — | Apple S9 SiP, 2nd-gen Ultra Wideband |
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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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