Big size Chronograph ( 38 mm, which was, at that time, a considered as a big size ), Valjoux 22 inside, which obviously needs a good service. Late 40ies, or early 50ies, I cannot say, but not the kind of chronograph you will see everyday. Very much my tas...
...it would be a flying saucer, as the price would be stratospheric;) I know you won't like me saying so, but such a piece, in my view, deserves to be "rejuvenated"! Cheers Francois