Casio WSD-F20A vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Skagen Falster 3 vs. Apple Watch Ultra

 
WSD-F20A
Flex
Forerunner 45
Falster 3
Watch Ultra
 CasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowSkagenFalster 3Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$399$100$199$295$799
Release20182013201920202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days7 days1 day36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA208 x 208416 x 416502x410 pixels
Size1.32 inchesNA1.04 inches1.28 inches1.92 inches
TouchNA
TypeLCDLEDLCDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM3 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNABuilt-inWear OSWatchOS 9
Apps
Music

All Wearables