| Display | 1.3" (43mm) 432x432 / 1.5" (47mm) 480x480 Super AMOLED, sapphire crystal, Always On Display, 2,000 nits peak | 1.5-inch (37.3 mm) 480 x 480 Super AMOLED, always on, up to 3,000 nits |
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| Case | 43mm: 42.5 x 42.5 x 10.9 mm, 52.0 g / 47mm: 46.5 x 46.5 x 10.9 mm, 59.0 g, rotating bezel | 47 mm, Titanium Grade 4, 47.1 x 47.4 x 12.1 mm, 60.5 g |
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| Chipset | Exynos W930 dual-core 1.4GHz | — |
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| Memory | 2GB RAM + 16GB storage | — |
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| Battery | Up to 40 hours (Always On Display off) / up to 30 hours (on); 300 mAh (43mm) / 425 mAh (47mm) | — |
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| OS | Wear OS 4 (Wear OS Powered by Samsung), One UI 5 Watch | Wear OS 5 (launch) |
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| Water Resistance | 5ATM + IP68, MIL-STD-810H | — |
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| Sensors | Samsung BioActive Sensor (optical heart rate, electrical heart signal, bioelectrical impedance), temperature, accelerometer, barometer, gyro, geomagnetic, light, 3D Hall sensor | Samsung BioActive Sensor (optical, electrical heart signal, bioelectrical impedance), temperature, barometer, gyro, geomagnetic, light |
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| Connectivity | Bluetooth 5.3, Wi-Fi 2.4+5GHz, NFC, GPS/GLONASS/BeiDou/Galileo, optional LTE | LTE, Bluetooth 5.3, Wi-Fi 2.4 + 5 GHz, NFC, dual-frequency GPS |
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| Compatibility | Android 10 or higher with more than 1.5GB of memory | — |
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| Features | Sleep coaching, body composition, ECG and blood pressure (select markets, Samsung phone), irregular heart rhythm notification, skin temperature, fall detection, Samsung Wallet | — |
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| Processor | — | Exynos W1000 (5-core, 3 nm) |
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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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| 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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