Casio WSD-F20A vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Garmin Forerunner 45 vs. Apple SE (2022)

 
WSD-F20A
Flex
On Full Guard 2.5
Forerunner 45
SE (2022)
 CasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminForerunner 45Remove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$399$100$325$199$249
Release20182013201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days4 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolution320 x 320NA454x454208 x 20840mm
Size1.32 inchesNA1.39 inches1.04 inches
TouchNALTPO OLED Retina
TypeLCDLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATM1 ATM3 ATM5 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating SystemWear OSNAWear OSBuilt-in
Apps
Music

All Wearables