Samsung Galaxy Watch
Tech specs 
Size46mm version (46 x 49 x 13 mm)
42mm version (41.9 x 45.7 x 12.7 mm)
MaterialStainless steel casing
ChargingWPC based wireless charging
Battery46mm version (472 mAh)
42mm version (270 mAh)
Battery life46mm version (up to 7 days)
42mm version (up to 3 days)
Water-resistance5 ATM
Weight46mm version (63 grams)
42mm version (49 grams)
SensorAccelerometer, Barometer, Gyro Sensor, HR Sensor, Light Sensor, GPS (Glonass,Beidou,Galileo), NFC
DisplayCircular Super AMOLED (360 x 360)
Full Color Always On Display
Corning® Gorilla® DX+
Screen size46mm version (1.3 inch)
42mm version (1.2 inch)
ColorsSilver, Midnight Black, Rose Gold
OtherOperating system: Tizen 4.0
Processor: Exynos 9110 Dual core 1.15GHz
Memory: LTE: 1.5GB RAM + 4GB Internal Memory; Bluetooth: 768MB RAM + 4GB Internal Memory
Connectivity: 3G/LTE, Bluetooth®4.2, Wi-Fi b/g/n, NFC, A-GPS/Glonass
Activity tracking 
StepsYes
DistanceYes
Calories burnedYes
ActivityYes
FloorsYes
SleepYes
Heart rateYes
Stress & recoveryYes
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intakeYes (through the app)
GPSYes
Running features
Swimming features
Other - there is a Bluetooth and LTE version of the watch
Non-fitness functions 
Smartphone notificationsYes
On-board music storageYes
Connected payYes
LTEYes
Links 
Affiliate link*Amazon | Samsung
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