Please consider donating to help offset our high running costs.
That is what it looks like. If you or your watchmaker can open it the number and version should be stamped into the plate below the balance wheel.
My latest one
I remember when i was starting this post as a nasturcjowa12 - i made mistake and as a name was Street 😀
Its Zenith 2000
Yes Zenith 2000 with cal135