Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Fitbit Flex vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. Apple Watch 7

 
G-Shock GBA800
Grayson
Flex
Watch Series 4
Grayson
Watch 7
 CasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$120$350$100$329$350$429
Release201820182013201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years24 hours5 daysNot Yet24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution453 x 454NA384 x 480453x454396 x 484
Size1.39 inchesNA1.78 inches1.39 inches1.9 inches
TouchNA
TypeAMOLEDLEDMicroLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM1 ATM1 ATMNot Yet1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAWatch OS 5Android WearWatchOS 8
Apps
Music

All Wearables