IWC Big Pilot’s Watch Perpetual Calendar 46mm W4SA0005 Originally designed in 1952 for

Originally designed in 1952 for aeronautical calculations

met een gevoel van vakmanschap en luxe dat vanzelf spreekt

and a three-day power reserve works

De Portofino-collectie staat al sinds 1984 bekend om haar ingetogen vormgeving

IWC Big Pilot’s Watch Perpetual Calendar 46mm W4SA0005 Originally designed in 1952 forThe Big Pilot's Watch Perpetual Calendar from IWC Schaffhausen is a masterpiece of precision and design. The watch features a stainless steel case, a blue dial, rhodium plated hands, and a blue calfskin strap. The perpetual calendar mechanism automatically recognizes month lengths and leap years, requiring manual adjustment only after 2100. The IWC 52615 caliber provides a seven day power reserve, powered by a sophisticated Pellaton winding system.