Casio WSD-F10 vs. Fitbit Alta vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Garmin 645 Music

 
WSD-F10
Alta
Watch Series 2
WSD-F20A
645 Music
 CasioWSD-F10Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$500$130$269$399$450
Release20162016201620182018

Activity & Fitness

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

Battery

Durationn/a5 days18 hours1 day7 days
Rechargeable

Compatibility

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

Connectivity

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

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312320 x 320240 x 240
Sizen/an/a1.5 inches or 1.65 inches1.32 inches1.2 inches
Touchn/an/a
TypeLCDOLEDAMOLEDLCDMIP

Functions

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

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWatch OSWear OS
Appsn/a
Musicn/a

All Wearables