Russian mechanical dive watch – Vostok Amphibia. Factory: Chistopol Watch Factory (Vostok). Date: 1980s. Caliber: 2209 (18 jewels). Size: 47x39mm, thickness 12mm, diameter of the glass 32mm. Dive Watch 200M. Caseback marked 'Amphibian 200M (20 ATM)'. Serial number on the back cover. The watch comes with new leather strap. Very good working condition.