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 IW329601, has a stainless steel case measuring 42 mm across. The case stands 14 mm thick, with lugs spaced 21 mm apart. A self-winding IWC-manufactured calibre 82665 drives the watch, offering 60 hours of power reserve. The blue dial sits under a convex sapphire crystal with antireflective coating on both sides, and the case has a display back showing the movement. The perpetual calendar shows date, day, month, year and moon phase, alongside a central seconds display. The crown is a screw-down type. IWC Schaffhausen rates the case to 100 metres. The watch is fitted with a blue rubber strap using the EasX-CHANGE system.