Apple Watch Series 3 vs. Polar M400 vs. Casio WSD-F20A vs. Diesel On Full Guard vs. Garmin Chronos

 
Watch Series 3
M400
WSD-F20A
On Full Guard
Chronos
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowGarminChronosRemove Buy Now

Basic Info

Suggested Price$329$200$399$325$1500
Release20172014201820172018

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days1 day1 day8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 320454 x 454218 x 218
Size1.5 inches or 1.65 inchesn/a1.32 inches1.4 inches1.2 inches
Touch
TypeAMOLEDn/aLCDOMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMIP6710 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWear OSAndroid Wear 2.0Wear OS
Apps
Music

All Wearables