https://world.casio.com/manual/ - forget that. No English version available. This is the only thing I could find after a five minute G00gle search:

https://support.casio.com/de/manual/009/qw515.pdf

You can try G00gle Translate and do a paragraph at a time, copy and pasted.

Saw this too, which might help

https://m.youtube.com/watch?v=IL6S2RA-NRk

Finally, this

https://forums.watchuseek.com/f17/what-lucky-day-flea-market-casio-ts-1200-need-manual-247647.html

it might be worth registering here to read the whole thread

Phdsr
June 2020