Casio G-Shock GBA-900 User Manual

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CASIO 5641 G-Shock GBA-900 G-Squad Watch User
Guide
Home » Casio » CASIO 5641 G-Shock GBA-900 G-Squad Watch User Guide
User’s Guide 5641
Congratulations upon your selection of this CASIO watch.
Important!
This manual provides a brief overview of your watch.
If you are going to a location where Internet access is not available, download the Operation Guide PDF from
the website below to a device that you will be taking along with you.
For details about how to use this watch and for troubleshooting information, go to the website below.
https://world.casio.com/manual/wat/
https://world.casio.com/manual/wat/
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage or loss suffered by you or any
third party arising through the use of your watch or its malfunction.

Casio G-Shock GBA-900 Specifications

General

Model	GBA-900
Brand	Casio
Series	G-Shock
Bluetooth	Yes
Water Resistance	200 meters
Battery Life	Approx. 2 years on CR2025
Case and Bezel Material	Resin
Band Material	Resin
Step Count	Yes
Alarm/Hourly Time Signal	5 daily alarms, hourly time signal
Calendar	Full auto-calendar (to year 2099)
Display	Digital
Shock Resistance	Yes
Vibration Alarm	No
Features	Step Tracker, World Time, Stopwatch, Timer, Alarm, LED Light
App Connectivity Feature	G-SHOCK MOVE App
Stopwatch	1/100-second stopwatch
Timer	Countdown timer
Light	LED backlight
Mute Feature	Button operation tone on/off
Sensor Feature	Step counter
Weight	Approx. 61 g

Summary

Using the Watch

Navigating Between Modes

Explains how to cycle through different watch modes using buttons.

Stopwatch Mode

Recall Mode

Timer Mode

Dual Time Mode

Alarm Mode

Setting the Time

LifeLog Measurements

Stopwatch/Data Recall Details

Countdown Timer

Dual Time Functionality

Alarms and Signals

Mobile Link Function

Auto Time Adjustment

Bluetooth Specifications

Power Supply and Battery Life

File Downloads

References and Related Manuals