Several watchmakers later so this is now fixed. It was difficult to find buttons. The movement is 321, the same as Omega Moonwatch.
Unfortunately I do not own the watch. It is owned by a work mate of mine and I helped him with some quest for spare parts and its origins / history.
What is interesting is that I have not found anyone who has exactly this look and I have posed the question to several overseas forums but no one has found an exactly equal
The Watch is bought in Hudiksvall in Sweden about 1965 in a watchs shop run by watchmaker Falk.
A year ago it looked like this