| Display | 1.2" Super AMOLED, 396x396, Full Color Always On Display, Sapphire Crystal glass | Flat crystal, up to 3000 nits |
|---|
| Chipset | Exynos W920 dual-core 1.18GHz | Apple S9 SiP, 2nd-gen Ultra Wideband |
|---|
| RAM | 1.5GB | — |
|---|
| Storage | 16GB | — |
|---|
| Battery | 247 mAh (typical), WPC-based wireless charging | Up to 36 hours; up to about 60 hours in low-power mode |
|---|
| OS | Wear OS Powered by Samsung (One UI 5 Watch at launch) | watchOS 10 (at launch) |
|---|
| Case | Aluminum, 40mm | — |
|---|
| Weight | 26.6 g (without band) | — |
|---|
| Dimensions | 39.3 x 40.4 x 9.8 mm | — |
|---|
| Water Resistance | 5ATM + IP68, MIL-STD-810H | WR100 / EN13319, recreational dives to 40 m |
|---|
| Sensors | Samsung BioActive Sensor (optical heart rate, electrical heart signal, bioelectrical impedance analysis), accelerometer, barometer, gyro, geomagnetic, light | — |
|---|
| Connectivity | Bluetooth 5.3, Wi-Fi 802.11 a/b/g/n 2.4+5GHz, NFC, GPS/Glonass/Beidou/Galileo, optional LTE | Cellular, dual-frequency GPS (L1 + L5) |
|---|
| Compatibility | Android 11.0 or higher with more than 1.5GB of memory | — |
|---|
| Colors | Black, Pink Gold, Silver | — |
|---|
| Case Size | — | 49mm titanium |
|---|
| Health Sensors | — | Heart rate, water temperature, sleep apnea detection, blood oxygen (calculated on paired iPhone) |
|---|
