IWC Big Pilot Perpetual Calendar Zegg & Cerlati Reference: IW502621 Movement: Caliber 51564 Power Reserve: 7 days, 168 hours Case: Steel, 46.2mm Dial: Black Charcoal Matte Complete Set Factory Serviced Mint Condition The IWC Big Pilot’s Watch Perpetual Calendar "Zegg & Cerlati" is an exceptionally rare limited-edition timepiece released in 2010. Produced in a strictly limited run of only 31 pieces, it was created exclusively for the renowned retailer Zegg & Cerlati. The watch combines the rugged, functional DNA of a classic cockpit instrument with high-complication watchmaking. It features a 46.2 mm stainless steel case with a brushed and polished finish. The high-contrast black dial is equipped with bold luminous Arabic numerals and rhodium-plated sword-shaped hands for maximum legibility. Inner and outer boxes show signs of age.