Hi,
Did you take your Casio to a pro or it was just a normal battery replacement service?.
I am asking because if a pro did it seems he forgot to reset your Casio watch when battery was replaced.
This is a must when you change battery on a Casio digital watch.
Take it again and ask for a complete reset, if they know what they are doing they will do as you ask without questioning.
Casio Watches
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