Polar M400 vs. Casio G-Shock GBA800 vs. Fossil Explorist vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Series 6

 
M400
G-Shock GBA800
Explorist
Grayson
Grayson
Series 6
 PolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowFossilExploristRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$120$255$350$350$399
Release201420182018201820182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 years24 hours24 hours24 hoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x454453 x 454453x454384 x 480
Sizen/a1.4 inches1.39 inches1.39 inches40mm
Touch
Typen/aAMOLEDAMOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM20 ATMIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearAndroid WearWatchOS 5
Apps
Music

All Wearables