Polar M430 vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Jaybird Reign vs. Michael Kors Access Runway vs. Michael Kors Grayson

 
M430
WSD-F20A
Grayson
Reign
Access Runway
Grayson
 PolarM430Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowJaybirdReignRemove Buy NowMichael KorsAccess RunwayRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$255$399$350$150$350$350
Release201720182018201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours1 day24 hours5 days1 day24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128320 x 320453 x 454NA390 x 390453x454
Size1.4 inch1.32 inches1.39 inchesNA1.19 inches1.39 inches
TouchNA
TypeLCDLCDAMOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATMNA3 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid WearNAWear OSAndroid Wear
Apps
Music

All Wearables