Anti-shock device of the balance assembly. Case: stainless steel (case, time disc, crown, watch back).
Water resistance: 20 atmospheres (200 meters). Energy reserve of one spring plant is at least 31 hours. The average service life of the mechanism is 10 years.This item is in the category "Jewellery & Watches\Watches, Parts & Accessories\Watches\Wristwatches".watches" and is located in this country: GB. This item can be shipped to United Kingdom.