Vostok Amphibian Octagonal Case Diver's wrist watch adorned with Aviator style dial, made in USSR, 1980s.

Stainless steel octagonal case has a turning bezel. The dial is black and adorned with arabic hour chapter and has hour markers at 6-9-12 o'clock.

Poljot Signal Alarm Wrist Watch 1960s.

In 1959 famous and elite Soviet watch factory 1st Moscow Watch Factory (1 M ChZ) developed an alarm watch  inspiring from AS (Adolf Schild) calibre 1475.

Vostok Amphibian "First Generation" Diver's wrist watch, made in USSR, ca.early 1980s.

Round case Vostok amphibian watch is  the earliest of its kind. The case is stainless steel with bilateral turning bezel.

Vostok Amphibian Round Case Champagne Dial, Diver's wrist watch, made in USSR, 1980s.

Stainless steel  case has a turning bezel. The dial is metallic brown and has teal ring and luminious markers.