Vintage Star 31days Wall Clock, not working

This is a Vintage Star 31 days chiming wall clock in a Wooden case. Was given to me. Has Pendulum. Key etc, but unfortunately I dont get it running.
It features a mechanical movement requiring winding up approx once a month
It has a Wooden frame, a white face with Roman numbers and a glass fronted lower section for the Pendulum
Key is required for it
I read, if the clock stops, checking if it hungs completely level is crucial for the Pendulum to swing is necessary. I won't have any clue about it and dont want to cause any damage by trying.
Therefore I am selling it for just 25 Euro
Last photo I got out of Internet just to show price of similar clock. Think that 1 is not working either.
Might come handy for someone for spare parts too.
25 Euro

No offers under the asking price