Vostok 18 jewels AU 20 gold plated watch wind up Soviet mens wristwatch vintage

The mechanism is 22 mm caliber, 3.3 mm high, 18 ruby jewels, shockproof device, central second hand. The duration of the watch running from one full winding of the spring is at least 36 h. Deviations of the daily course: -25 ..... +65 s. 34-mm dia. gold-plated case, 20 mm plating, stainless steel back. Silver-plated dial with black and gold marks and black figures, black print, gold-plated hands, red second hand. Correct watch use: to prolong the life of the watch it is necessary to wind up the watch every day at about the same time. You should wind up the watch to the end but very gently until the process will go tight, so not to twist the watch button.