Crono pushers, crown and case are entirely made in stainless steel.
It was produced by the First Moscow Watch Factory. Mounts a 31659 movement. The 31659 is a modified 3133 with hacking stop added.
Other translitarations: Sturmanskie, Sturmanski
Original name in Cyrillic: ШТУРМАНСКИЕ
A college with front and movement views:
Pictures on my pulse:
Traveling with me to Tarvisio Boscoverde (Italy)
