Country and time of production this movement?

[Tatyana]

Hi!

Need help! I can't identification this movement.
I can't even guess the country.



Tatyana

P.S.
My colleague sent another pic.
Hands are similar to German ones.
Is this a marriage?

 

[c.kugle]

A pic of the back plate would be helpful and are there any markings on the movement,,?

 

[Tatyana]

A pic of the back plate would be helpful and are there any markings on the movement,,?

There are no other pics yet.
It seems to me unusual for German movements this detail: