Samsung Galaxy Watch 4 Stainless Steel - Silver MIL-STD-810G

Display Type: 46 mm Super AMOLED, Size: 1.4 inches, Resolution: 450x450 pixels (330 ppi density), Protection: Corning Gorilla Glass DX
Color: Silver, Internal: 16GB 1.5GB RAM
OS: Android Wear OS, One UI Watch 3, Chipset: Exynos W920 (5 nm), CPU: Dual-core 1.18 GHz Cortex-A55, GPU: Mali-G68
Network: WLAN: Wi-Fi 802.11 a/b/g/n, dual-band, Bluetooth: 5.0, A2DP, LE, GPS: Yes (with A-GPS, GLONASS, GALILEO, BDS), NFC: Yes
Weight: 52 g, Build: Glass front (Gorilla Glass DX) stainless steel frame 316L or titanium frame, SIM:MIL-STD-810G compliant, 50m water resistant (IP68), ECG certified, Blood pressure monitor, Rotating bezel
Sensors: Accelerometer, gyro, heart rate, barometer, Natural language commands and dictation, Samsung Pay
Battery Type : Li-Ion 361 mAh, non-removable, Charging: Qi wireless charging