IWC Big Pilot with new black leather band . This watch has been recently serviced and the dial has been renovated (Big Pilot Design). The IWC movement dates from 1888 (Pallweber style). The serial number is 41672. The original movement of the IWC pocket watch (Pallweber style) has been housed in a new wristwatch case. New stainless steel case, diameter - 48.1 mm without crown (52.8 mm with crown). Thickness - 15.4 mm. Mineral glass. Glass bottom. New leather strap (size 22) - 21 cm. Manual winding (once per 24 hours). Luminous hands and hour indicators (12-3-6-9). Water resistance has not been tested.