IWC IW328203 Pilot's Watch Mark XX Dial Color: Blue Diameter: 40.0mm Strap Width: 20.0 mm Caliber: 32111 Movement: Automatic, IWC in-house caliber Power Reserve: 120 hours Frequency: 28,800 vph (4 Hz) Number of Parts: 163 Number of Jewels: 21 Finishing: Côtes de Genève, Perlage Official Retail Price: ¥830,500 (as of July 2025) Purchased new in February 2023 from oomiya, an authorized IWC dealer, and used about once a month. Includes an 8-year international manufacturer's warranty from the time of purchase. <Accessories> All original accessories included: dedicated box, guarantee, instruction manual, and dedicated cloth. <Condition> Some minor scratches, but in good condition. Please check the photos. The leather strap is original. There is some wear, but it is in relatively good condition. * The watch is functioning properly, and the accuracy is stable. Although it is in good condition, please understand that it is a used item before making a purchase. * Please check the photos for the condition. * Returns and cancellations are not accepted after the transaction is complete, so please make sure you are satisfied before purchasing. * Please refrain from excessive price negotiations. The following is a quote from the official website: -------------------------------------------- Developed by IWC in 1948 for British Royal Air Force navigators and pilots, the "Mark 11" offered high precision and antimagnetism, serving as an instrument. The "Mark XX" case is 40mm in diameter and made of robust and corrosion-resistant stainless steel. Inside, the IWC-manufactured caliber 32111 with an automatic winding mechanism keeps accurate time, providing a 120-hour power reserve. Water-resistant to 10 bar. The blue calfskin strap with a pin buckle features the "EasX-CHANGE®" system, allowing for easy strap changes without special tools. --------------------------------------------