Hi,
Everyone on here who has a Casio knows that adjusts the calendar depending on if the month has 28,29,30 or 31 days.
However, to do this in a mechanical watch is quite a bit more complicated.
I found this video, which explains it as simply as can be done for such a complicated item.
https://www.youtube.com/watch?v=_UFVQLON4sw
“Strong minds discuss ideas, average minds discuss events, weak minds discuss people.” - Socrates
"I'm not feeling very talky today, off you smurf". - Smashie
Complaining is mental preparation for failure.
Si vis pacem, para bellum