Polar M400 vs. Asus ZenWatch vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Apple SE (2022)

 
M400
ZenWatch
Grayson
A370
Grayson
SE (2022)
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$200$150$350$179.95$350$249
Release201420142018201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 daysNA24 hoursUp to 3 days24 hoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolutionn/a320 x 320453 x 454160 x 80453x45440mm
Sizen/a1.63 inches1.39 inches1.18 inches1.39 inches
TouchLTPO OLED Retina
Typen/aAMOLEDAMOLEDTFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance3 ATMIP551 ATMWR301 ATM

Notifications

Phone
EmailsNAWatchOS 8.1
TextsNA

Software

Operating Systemn/aAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables