Image of a Watch Series 2Image of a WSD-F10Image of a SteelImage of a G-Shock GBA800Image of a Alta HR
 AppleWatch Series 2Remove Buy NowCasioWSD-F10Remove Buy NowPebbleSteelRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$269$500$150$120$150
Release20162016201420182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygenn/a
Sleepn/a
Steps
Swimn/a

Battery

Duration18 hoursn/a5-7 days2 years7 days
Rechargeable

Compatibility

Android
iOSn/a
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/a
Wi-Fin/a

Display

Color
Resolution340 x 272 or 390 x 312n/a168 x 144128 x 36
Size1.5 inches or 1.65 inchesn/a1.26 inches1.4 inches
Touchn/a
TypeAMOLEDLCDe-paperOLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibration
Voicen/a

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATM5 ATM20 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatch OSAndroid WearPebble OS
Appsn/a
Musicn/a

All Wearables