IWC Schaffhausen Big Pilot's Watch Perpetual Calendar Edition "1936 - A Tribute to the 1st IWC Pilot's Watch"

The IWC Big Pilot's Watch Perpetual Calendar Edition "1936 - A Tribute to the 1st IWC Pilot's Watch", reference IW503802, has a 46.2 mm case in 18-carat 5N gold. This special edition has a perpetual calendar; the case is 15.3 mm thick and has a screw-down crown. The movement is self-winding and has a 168-hour power reserve, 54 jewels and 383 components. The grey dial has a day and date display, small hacking seconds, a power reserve indicator and a moon phase display under convex sapphire glass with antireflective coating on both sides. The watch is on a blue alligator leather strap. The case carries a water-resistance rating of 60 metres. Calibre 52610 operates at a frequency of 28,800 vibrations per hour.