samsung watch 4 classic 46mm

Body-
Dimensions 45.5 x 45.5 x 11 mm (1.79 x 1.79 x 0.43 in)
Weight 52 g (46mm), 46.5 g (42mm) (1.66 oz)
Build Glass front (Gorilla Glass DX), stainless steel frame 316L or titanium frame
IP68 dust tight and water resistant (immersible up to 50m)
Compatible with standard 20mm straps
ECG certified
Blood pressure monitor
Rotating bezel
Display-
Type Super AMOLED
Size 1.4 inches
Resolution 450 x 450 pixels (~321 ppi density)
Protection Corning Gorilla Glass DX
Platform
OS Android Wear OS 4, upgradable to 6.0, One UI Watch 8
Chipset Exynos W920 (5 nm)
CPU Dual-core 1.18 GHz Cortex-A55
GPU Mali-G68
Internal 16GB 1.5GB RAM
Sound
Loudspeaker Yes
WLAN Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth 5.0, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS
NFC Yes
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2
Battery
Type Li-Ion 361 mAh
Charging Wireless