| Display | 1.82" AMOLED, 480x408 (347 ppi), 60Hz, up to 1500 nits, 77.4% screen-to-body | 1.5-inch (37.3 mm) 480 x 480 Super AMOLED, always on, up to 3,000 nits |
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| Battery | Up to 10 days (7 days typical use, 4 days with always-on display), 400 mAh, magnetic charging | — |
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| Dimensions | 43.2 x 36.3 x 9.9 mm, approx. 26 g without strap | — |
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| Case | Aluminium alloy | 47 mm, Titanium Grade 4, 47.1 x 47.4 x 12.1 mm, 60.5 g |
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| Controls | Rotating crown and function button | — |
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| Sensors | 9-axis IMU (accelerometer, gyroscope, magnetometer), optical heart rate sensor, ambient light sensor | Samsung BioActive Sensor (optical, electrical heart signal, bioelectrical impedance), temperature, barometer, gyro, geomagnetic, light |
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| Health and Fitness | Heart rate, SpO2, sleep and respiratory monitoring, pulse wave arrhythmia analysis, built-in GPS, 100+ workout modes | — |
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| Connectivity | Bluetooth 5.2 (BR and BLE), Bluetooth calling, NFC (white leather and grey models only), built-in GPS | LTE, Bluetooth 5.3, Wi-Fi 2.4 + 5 GHz, NFC, dual-frequency GPS |
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| Water Resistance | 5 ATM | — |
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| Compatibility | Android 8.0 or later, iOS 13.0 or later | — |
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| Colors | Gold (white leather strap), Silver (grey nylon, green or white strap), Pink, Tarnish (black) | Titanium Grey, Titanium White, Titanium Silver (Titanium Blue added in 2025) |
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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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| OS | — | Wear OS 5 (launch) |
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| Price | — | 599 pounds in the UK at launch |
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