Soviet WW2 Aircraft Clock Type 1 Movement

In a very good condition a Soviet WW2 Aircraft Clock.
This fine example of Soviet WW2 Type 1 Aircraft Clock, 3-1940 Type-1.
Per a colleague, this clock was manufactured in the 3rd quarter of 1940 with a Type-1 movement (Hampden).

This clock appeared in the Soviet Fighters Polikarpov I-15Bi and I-16.
A very hard to find clock that was found in a German Household, clearly as a German Trofee.
(Working not checked)