Model 2415.12/12071B The mechanism is a mechanical "Vostok 2415.12". The number of jewels is 31. Self-winding with a safety device against over-winding of the spring. Side second hand. Shockproof device of the balance node. Case: stainless steel (case ring, time dial, crown, watch back cover). The hour markers and hands are filled with fluorescent paint of variable action. Organic glass. Water protection: 20 atmospheres (200 meters). The belt is made of polyurethane, 18 mm wide. The energy reserve of one spring winding is at least 33 hours. Average daily running time: -20... +60 seconds per day. The average service life of the movement is 10 years. Weight: 81 g. Dimensions: 41.7 x 48.4 x 15 mm.