IWC Schaffhausen Big Pilot's Watch Annual Calendar Edition "Le Petit Prince"

The IWC Big Pilot's Watch Annual Calendar Edition "Le Petit Prince", reference IW502710, has a 46.2 mm steel case. This special edition has an annual calendar; case thickness is 15.4 mm, and the crown screws down. Self-winding calibre 52850 has a 168-hour power reserve, 36 jewels and 326 components. Convex sapphire glass with antireflective coating on both sides covers the blue dial with a day and date display, small hacking seconds and a power reserve indicator. Water resistance is rated to 60 metres. The watch has a brown calf leather strap measuring 22 mm wide.