Waterproof
Waterproof (50m)GPS
YesHeart rate
YesSleep tracking
YesAltimeter
-Clock
-Companion app platforms
-Battery Life
-Silent alarm
-RAM
-Display
-Processor
-Battery
-Display Resolution
-Screen resolution
-Auto update
-Operating System
-Weight
-Conectivity
-ROM
-Weight
-Touchscreen
-Thickness
-Max Battery Life
-GLONASS
-Accelerometer
-Waterproof
YesGPS
YesHeart rate
Chest strap compatibleSleep tracking
-Altimeter
YesClock
YesCompanion app platforms
-Battery Life
-Silent alarm
-RAM
-Display
-Processor
-Battery
-Display Resolution
-Screen resolution
-Auto update
-Operating System
-Weight
-Conectivity
-ROM
-Weight
-Touchscreen
-Thickness
-Max Battery Life
-GLONASS
-Accelerometer
-Waterproof
NoGPS
YesHeart rate
YesSleep tracking
YesAltimeter
YesClock
YesCompanion app platforms
iOS, Android, WindowsBattery Life
7 daysSilent alarm
YesRAM
-Display
-Processor
-Battery
-Display Resolution
-Screen resolution
-Auto update
-Operating System
-Weight
-Conectivity
-ROM
-Weight
-Touchscreen
-Thickness
-Max Battery Life
-GLONASS
-Accelerometer
-Waterproof
Water-resistantGPS
YesHeart rate
YesSleep tracking
-Altimeter
YesClock
YesCompanion app platforms
Android, iOSBattery Life
-Silent alarm
-RAM
512 MBDisplay
1.5" Curved Super AMOLEDProcessor
Dual-core 1.0 GHz Exynos 3250Battery
200 mAh Li-ion Typical usage time: 3 to 4 days, Standby time: Up to 5 daysDisplay Resolution
1.5" Curved Super AMOLEDScreen resolution
322 pixelsAuto update
English German, Japanese, Portuguese, Spanish, French and ItalianOperating System
Tizen for WearablesWeight
3.84 ouncesConectivity
WIFI (802.11 b/g/n) and Bluetooth (Bluetooth® 4.1)ROM
4 GBWeight
-Touchscreen
-Thickness
-Max Battery Life
-GLONASS
-Accelerometer
-