Karlsson auto calendar quartz clock

[Mattjd]

hi, new here and hoping someone can help. I have been asked by my girlfriend if I can fix her clock. She loves it and had it about 9 years, just after the warranty expired the calendar part of the clock stopped working, I’ve opened it up but can’t see anything obvious, does anybody have a clue where I should start with the trouble shooting?
Thanks in advance.

Ive tried adding a photo but being told it’s to big and don’t know how to reduce it.

[Mackey]

I know there's a member who has one of these. We'll have to wait to see if anyone responds. But until then, here's a tutorial on a way to resize images.