Polar M600 vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Polar A370 vs. Michael Kors Grayson

 
M600
Watch Series 2
Grayson
Charge 3
A370
Grayson
 PolarM600Remove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$269$350$150$179.95$350
Release201620162018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days18 hours24 hours7 daysUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution240 x 240340 x 272 or 390 x 312453 x 45466 x 18160 x 80453x454
Size1.3 inches1.5 inches or 1.65 inches1.39 inches.721 inches1.18 inches1.39 inches
Touchn/a
TypeTFTAMOLEDAMOLEDOLEDTFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85ATM1 ATM5 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWatch OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables