Manual for casio G.shock DW-5900 - Casio G-Shock GW300CA-1V Wrist Watch

Use the manual. Read the section about changing the Time Zone. TYO is for Tokyo. To download the manual you need the module number, a 4-digit code on the back of the watch.
world casio com CASIO

you can download the manual from the link below
http://www.gshock.com/support/

Hi.

Please click on the link below to open the manual for your Casio G-Shock (DW-6600 module 1199):

Casio owners manual.

Regards.

Ginko

browse through my tips and you will find link for all Casio watch manual downloads.

you can get
instructions from the Casio web site.

Go to the casio web site "casio.com".

Select "support" and the "manuals",
watches;

Accept terms

Select "watch manual archive"

Read the number of the back of your watch and enter it into the search box

Click on my profile (escapement), then click on Tips and Tricks. There you will find link to all CASIO watch manuals.Rate me, please.

You can get instructions from the Casio web site.

Go to the casio web site "casio.com".

Select "support" and the "manuals", watches;

Accept terms

Select "watch manual archive"

Read the number of the back of your watch and enter it into the search box

You can get instructions from the Casio web site which will tell you how to set your watch..

Go to the casio web site "casio.com".

Select "support" and the "manuals", watches;

Accept terms

Select "watch manual archive"

Read the number of the back of your watch and enter it into the search box

I don't think your watch has this sort of option. You can find out yourself by finding CASIO watch manual link in my tips.

http://world.casio.com/wat/download/en/manual/

Use the four numbers on the back of your watch and you will have a PDF version of your instruction manual.

Hope this tip helps.

R/
David