Vostok Amphibian Automatic Diver Watch 2431/17003B
Automatic movement Vostok 2431 with 31 ruby jewels. Power reserve 31 hours. Mean diary rate -20 +60 s/day. Central second hand. Shock resistant. Date calendar.
Water Resistant 20 ATM / 200 meters.
All stainless steel case. Rotating bezel. Screw-down crown. Luminous hands and indexes. Organic glass.
Stainless steel band.
Vostok box and factory papers.
Made in Chistopol, Russia by Vostok Watches (since 1942).