Hi,
As I said I need more practice and I found an ETA 2369 in my collection of potential patients that is not running.
This is what I found, before I took off the hands and dial (sorry, no photo of that state):
The keyless work is strangely not functioning. I can pull the crown, it does "click" but it's stuck in setting mode (like if the crown was pulled)
If I wind it by using the screw of the ratchet wheel it does not start ticking.
The first thing I did was: