This watch was produced by the 1MWF in the late 50ies earlier 60ies. It mounts a 17 jewels mechanism with a shock protected balance spring and hacking stop. This movement was also fitted on Sportivnie watches.
Other translitarations: Sturmanskie, Sturmanski
Original name in Cyrillic: ШТУРМАНСКИЕ
Some pictures:
Screw in stainless steel backcase:
Movement view:
A picture of Gagarin were the watch he is wearing is visible:
A 17 Jewels Shturmanskie on a Poljot Catalog: