Manual for the G-shock GA-100 watch. Ordered one for my boyfriend but the manual was in chinese. I need English! :)

Based on my research, I'm guessing you meant B, not 8!

https://www.google.com/#q=g+shock+ga-100b+manual

"H-SET" is the "0" hands position.To do this right,go to manual (link below) by using the module nbr found on the back cover (4 digit code in a frame).
Timepieces Watches Manuals CASIO

casio g-shock ga-100

go here > http://www.gshock.com/support/ to download the manual

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

go to the time setting mode and use the + and the - button to set the time

Check this out FTP download @ Casio G-Shock GA100-1A4 Watch User Manual

Hope it is the manual you need.

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

If you haven't got instructions on how to do this, 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

If you haven't got instructions on how to do this, 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