Big Pilot's Watch Perpetual Calendar
The very first IWC Pilot’s Watches of the 1930s and 1940s set technical benchmarks, and the dial designs determined the instrument look that has remained characteristic to this day.
Diameter 46.2 mm. Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase for the northern and southern hemisphere, 7 days power reserve, Power reserve display Glass secured against displacement by drop in air pressure. Sapphire glass, convex, antireflective coating on both sides Rotor with 18-carat gold medallion Small hacking seconds
52615 Calibre Automatic, self-winding 168 hours Power Reserve Frequency 28800.0 vph (4.0 hz) 381 Components 54 Jewels