Casio WSD-F20A vs. Fossil Explorist vs. Fitbit Flex vs. Polar A370 vs. Apple Watch 7

 
WSD-F20A
Explorist
Flex
A370
Watch 7
 CasioWSD-F20ARemove Buy NowFossilExploristRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$399$255$100$179.95$429
Release20182018201320172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day24 hours5 daysUp to 3 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320454 x454NA160 x 80396 x 484
Size1.32 inches1.4 inchesNA1.18 inches1.9 inches
TouchNA
TypeLCDAMOLEDLEDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATMWR30water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OSNAWatchOS 8
Apps
Music

All Wearables