IWC Big Pilot’s Watch Perpetual Calendar 46mm W4SA0005 and a three-day power reserve

and a three-day power reserve works

Originally designed in 1952 for aeronautical calculations

met een gevoel van vakmanschap en luxe dat vanzelf spreekt

while the inside is polished for comfort and elegance

spirituele schoonheid onthult

IWC Big Pilot’s Watch Perpetual Calendar 46mm W4SA0005 and a three-day power reserveThe 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.