IWC Schaffhausen Big Pilot's Watch Annual Calendar Edition "Antoine de Saint Exupéry"

The IWC Big Pilot's Watch Annual Calendar Edition "Antoine de Saint Exupéry", reference IW502706, has a 46.2 mm case in 18-carat 5N gold. This special edition is a limited edition of 250 pieces with an annual calendar. A screw-down crown is set into the case, which measures 15.3 mm thick. The movement is self-winding and has a 168-hour power reserve and 36 jewels. The brown dial has a day and date display, small hacking seconds and a power reserve indicator beneath convex sapphire glass. A brown calf leather strap is on the watch. A water-resistance rating of 60 metres applies to the case. Calibre 52850 operates at a frequency of 28,800 vibrations per hour.