Fitbit One vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Michael Kors Grayson

 
One
WSD-F20A
Grayson
Grayson
 FitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$399$350$350
Release2012201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days1 day24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320453 x 454453x454
Sizen/a1.32 inches1.39 inches1.39 inches
Touch
TypeOLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearAndroid Wear
Apps
Music

All Wearables