Casio G-Shock GBA800 vs. Diesel On Full Guard vs. Fitbit Flex vs. Apple Watch Series 4 vs. Diesel On Full Guard 2.5

 
G-Shock GBA800
On Full Guard
Flex
Watch Series 4
On Full Guard 2.5
 CasioG-Shock GBA800Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$120$325$100$329$325
Release20182017201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years1 day5 daysNot Yet4 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution454 x 454NA384 x 480454x454
Size1.4 inchesNA1.78 inches1.39 inches
TouchNA
TypeOMOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATMIP671 ATMNot Yet3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2.0NAWatch OS 5Wear OS
Apps
Music

All Wearables