Casio WSD-F20A vs. Diesel On Full Guard vs. Polar Loop vs. Diesel On Full Guard 2.5 vs. Apple Watch Ultra

 
WSD-F20A
On Full Guard
Loop
On Full Guard 2.5
Watch Ultra
 CasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowPolarLoopRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$399$325$100$325$799
Release20182017201320182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day1 day5 days4 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320454 x 454NA454x454502x410 pixels
Size1.32 inches1.4 inchesNA1.39 inches1.92 inches
Touch
TypeLCDOMOLEDLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP672 ATM3 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSAndroid Wear 2.0NAWear OSWatchOS 9
Apps
Music

All Wearables