Casio db 55w manual - Casio DB-360-1AV Stainless Steel Data Bank Watch

A detailed description of this procedure is found in the manual of your watch. You can find the right manual with the module nr. on the back of your watch (4 digit number in a rectangle)

The manual for your watch can be downloaded via the link provided below:

Timepieces Watches

https://support.casio.com/storage/en/manual/pdf/EN/009/qw2515.pdf

https://support.casio.com/storage/en/manual/pdf/EN/009/qw2515.pdf

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

It may be that the watch is working in one of the "settings"modes.

If you do not have any instructions you can get them from their 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, plz.

how do I reset a Casio lap memory 50 or 60 watch

This may have a reset button inside the back , maybe marked a.c. if it does you need to short it with metal tweezers between the battery and the a.c. button.
hope this helps

Visit this site:

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

Enter the right numbers from the caseback and download manual for your watch.
Don't forget to rate, please.

Change battery