Vintage IWC Schaffhausen "Shark Fin" 18K Gold wristwatch from 1951: Movement/Caliber: 89-12 lig. S.C INCA Serial number of the movement: 1243000 ( dates IWC watch to 1951 ) Country Of Manufacture: Switzerland Case Material: 18K Pink Gold Crystal: Acrylic Band Type: brand new black genuine leather strap Band Length: 20 cm ( including watch ) 18K GOLD case is in very good condition. It has no major traces of use. The caseback is marked on the inner side with IWC probus, case number and gold hallmarks. Deep black dial with applied gold-plated baton hour markers, signed with "International Watch Co. Schaffhausen" is in very good condition ( it was professionally restored ). High grade movement International Watch Co SWISS-signed is in very good working order. It keeps time well. It's after watchmaker's service. Dimensions: Diameter without the crown: 36,5 mm Diameter with the crown: 37,5 mm Lug to lug width (length): 41 mm Thickness: 9 mm Lug width (strap): 18 mm total weight: 42,1 g Tracked and insured shipping 30 EUR (European Union) 50 Euro ( Worldwide )