Komandirskie Amphibian 2416. Chistopol Watch Factory Vostok. 1990s - early 2000s. Watch are serviced by the Watchmaker. Automatic winding with a safety device against spring reloading. Frequency - 19800 vibrations / hour.
Watch is beautiful and durable. Swam with at least 10 times long distance. Will test accuracy and update review if I remember to...oh and it is very affordable for the quality I think