Casio WSD-F20A vs. Pebble Time 2 vs. Polar A370 vs. Diesel On Full Guard 2.5 vs. HTC re Grip

 
WSD-F20A
Time 2
A370
On Full Guard 2.5
re Grip
 CasioWSD-F20ARemove Buy NowPebbleTime 2Remove Buy NowPolarA370Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$399$199$179.95$325$199
Release20182016201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day10 daysUp to 3 days4 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA160 x 80454x454160 x 32
Size1.32 inchesNA1.18 inches1.39 inches1.8 inches
Touch
TypeLCDe-paperTFT LCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMWR303 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSPebble OSWear OSNA
Apps
Music

All Wearables