Mechanical mechanism "Vostok 2415.02" The number of jewels is 31. 24 mm caliber movement with a side second hand. Self-winding with a safety device against over-winding of the spring. Shockproof device of the balance node. Average daily running time: -20... +60 seconds per day. Frequency: 19800 half-vibrations/hour. Case: stainless steel (case ring, crown, with glass back cover of the watch). Dust-proof. The glass is mineral. Genuine leather belt, 20 mm wide. The energy reserve of one spring factory is at least 33 hours. The average service life of the mechanism is 10 years. Weight: 92 g. Dimensions: 43.6 x 52 x 12.4 mm.