Glass front (Gorilla Glass DX+), aluminum frame. MIL-STD-810G compliant 50m water resistant (IP68) Compatible with standard 20mm straps ECG certified Blood pressure monitor does not guarantee ruggedness or use in extreme conditions. 450 x 450 pixels (321 ppi density).
Android Wear OS, One UI Watch 3. Dual-core 1.18 GHz Cortex-A55.
Wi-Fi 802.11 a/b/g/n, dual-band. Accelerometer, gyro, heart rate, barometer, compass. Natural language commands and dictation Samsung Pay.