| Case | 47 mm, Titanium Grade 4, 47.1 x 47.4 x 12.1 mm, 60.5 g | — |
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| Display | 1.5-inch (37.3 mm) 480 x 480 Super AMOLED, always on, up to 3,000 nits | Flat crystal, up to 3000 nits |
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| Processor | Exynos W1000 (5-core, 3 nm) | — |
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| Sensors | Samsung BioActive Sensor (optical, electrical heart signal, bioelectrical impedance), temperature, barometer, gyro, geomagnetic, light | — |
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| Connectivity | LTE, Bluetooth 5.3, Wi-Fi 2.4 + 5 GHz, NFC, dual-frequency GPS | Cellular, dual-frequency GPS (L1 + L5) |
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| Durability | 10ATM, IP68, MIL-STD-810H; operates from 100 m below to 9,000 m above sea level | — |
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| OS | Wear OS 5 (launch) | watchOS 10 (at launch) |
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| Colors | Titanium Grey, Titanium White, Titanium Silver (Titanium Blue added in 2025) | — |
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| Price | 599 pounds in the UK at launch | — |
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| Case Size | — | 49mm titanium |
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| Chipset | — | Apple S9 SiP, 2nd-gen Ultra Wideband |
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| Battery | — | Up to 36 hours; up to about 60 hours in low-power mode |
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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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