Raketa 2628.H Soviet mens watch wind up – gold plated case watch made in USSR

Movement 2628.H; 26-mm diameter, 4.93 mm high, 19 ruby jewels, sweep second hand, shockproof balance wheel, binary date indicator of instantaneous actions indicating date and day, 1st class accuracy to GOST 10733-73, 40-h winding on fully wound spring. Date indicator changeover interval is 24 hours +- 10 min. Weekdays can be corrected by rotating the winding button when in the second position (setting mode), while the date can be corrected by rapidly pulling out the winding button to the third position. Raketa means Rocket. It is the watch brand produced by the Petrodvorets watch factory - the oldest plant in Russia. The enterprise was one of the 13 largest watch factories in the Soviet Union where mass production of watches for personal use was established. Raketa watches produced in Petrodvorets were exported to more than 30 countries of the world. The first Raketa watch was made in 1961. The brand was named after Gagarin's flight. To preserve the accuracy of the run, service life and appearance of the watch it is necessary: 1. Wind up the watch once a day, preferably at the same time. 2. The hands should be turned by rotating the crown in the direction opposite to the watch winding. 3. It is recommended to clean and change the lubricant every 2-3 years. 4. It is not recommended to expose the watch to sudden temperature changes, exposure to magnetic fields, shock or shaking. 5. The watch is not allowed to be immersed in liquid. 6. Avoid contact of the watch with a chemical environment.