20 Most Recent Casio Mens Sport AW80D 7AV Watch Questions & Answers

Shortcut battery with AC contact. AC can be found on the sides of watch movement(very tiny). You have to use pointed tweezers: one end on battery+, another on AC contact for three secs.this video is only an example as to what to do hope this helps you..http://www.youtube.com/watch?v=ogCz2vjUKVg

just adjust it as if it stopped and you had to replace the battery

See page 3 of manual. It may help. User manual Casio G-Shock GX-56BB-1ER (English - 4 pages) QW-3221 (casio.com)

Time is not set correctly. You set the time as AM instead of PM and vice versa. Use the following manual to set time correctly. QW-5479 (casio.com)

You may find a solution here:

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

If it does not work, use casioworld button on same page as it may help.


Rate me, please.

Question edited for clarity. Question moved to Casio Watch, from Office Equipment. Pressure backs need a tool to unscrew the back and the gasket should be checked and greased. Best advice here https://www.fixya.com/support/r27181038-changing_watch_batteries ..

It is likely that the battery is depleted sufficiently that the sound feature can't work. Take it to a local jeweler for battery replacement service. https://www.fixya.com/support/r27181038-changing_watch_batteries ..

limited info generic answer if its the lower $ end units-- pop off the back --and remove internals careful of springs for buttons --check for debris -failed spring-button bi-metal fail /damaged

https://support.casio.com/en/manual/004/HR-170RC_200RC_WA_EN.pdf

This is a job a specialist watch repairer should do. It will need specialist tools so if you are not familiar with working on watches pay someone to do it for you. Also consider the cost of repair. It might be cheaper to simply buy a new watch.