Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Casio WSD-F20A vs. Polar A370 vs. HTC re Grip

 
Moto 360 (2nd Gen)
M400
WSD-F20A
A370
re Grip
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$300$200$399$179.95$199
Release20152014201820172020

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days1 dayUp to 3 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a320 x 320160 x 80160 x 32
Size1.37 inches or 1.56 inchesn/a1.32 inches1.18 inches1.8 inches
Touch
TypeLCDn/aLCDTFT LCDPMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATMWR30IP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSNA
Apps
Musicn/a

All Wearables