IWC Schaffhausen Big Pilot's Watch Perpetual Calendar ProSet Le Petit Prince

The IWC Schaffhausen Big Pilot's Watch Perpetual Calendar ProSet Le Petit Prince, reference IW339601, has a ceramic case measuring 42.9 mm across. The case stands 14.3 mm thick, and the screwed-in crown sits alongside a display back showing the movement. A convex sapphire crystal with antireflective coating on both sides covers the blue dial. Inside is the IWC-manufactured calibre 82665, a self-winding movement with a power reserve of 60 hours. The perpetual calendar shows date, day, month and year, alongside a moon phase display and central seconds. A white rubber strap with IWC's EasX-CHANGE system is fitted to the watch. The case is rated to 100 metres of water resistance.