Samsung Galaxy Watch4 Classic. Model: (SM-R890) Bluetooth/GPS Version. 46mm Silver/White (M/L) Bands. Features: - MIL-STD-810G compliant - 50m water resistant (IP68) - Compatible with standard 20mm straps - ECG certified - Blood pressure monitor - Rotating bezel - Glass front (Gorilla Glass DX) - Accelerometer - Gyro - Heart rate - Barometer - Natural language commands and dictation - Samsung Pay