Vostok Komandirskie K-35 Russian Military Watch Black 2431 / 350617 Imported Watch of official supplier of the Defense Department of the Soviet Union 100 m (330 feet) Water Resistant Automatic VOSTOK self-winding movement 2431B with 32 ruby jewels (no hands winding required, but watch can still be wound up with winding stem if it has not been worn for some time) Fully wound watches run at least 31 hours. Anti-shock (shock resistant) balance, Central second hand, Graduated rotated bezel Luminous hands and markings, 24 Hours Dial