The watch is produced at the USSR - First Moscow watch factory(1MChZ).
The 2616 variation, a very early production In any configuration, the Полет Амфибия is a rare Sector movement automatic has joints Bearings Big size case/ All St Steel/Screw crown/ Batch watch was made in 1966. 100-200 pieces/ Limited Edition The watch features a stainless steel case/screw-down caseback. The crown maintains it's water tight capability through an integrated gasket system and hermetical friction seal to the winding stem tube.
Size of case: 51x45mm Thickness: 14mm
These watch were made in the empire, which already does not exist.
Watch was in a support manning and this relieve you from expensive service in your country