Polar M400 vs. LG Watch Style vs. Casio G-Shock GBA800 vs. Diesel On Full Guard vs. Garmin 645 Music

 
M400
Watch Style
G-Shock GBA800
On Full Guard
645 Music
 PolarM400Remove Buy NowLGWatch StyleRemove Buy NowCasioG-Shock GBA800Remove Buy NowDieselOn Full GuardRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$200$249$120$325$450
Release20142017201820172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 years1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360454 x 454240 x 240
Sizen/a1.2 inches1.4 inches1.2 inches
Touch
Typen/aP-OLEDOMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP6720 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android Wear 2.0
Apps
Music

All Wearables