The IWC Big Pilot's Watch Annual Calendar Edition "Le Petit Prince" (IW502703) is a limited edition of 250 pieces featuring a 46.2mm 18K white gold case. First IWC Big Pilot with blue PVD-coated Caliber 52850 movement visible through sapphire caseback. The movement offers 168-hour (7-day) power reserve and is adjusted to chronometer standards in 5 positions. Blue sunburst dial with Arabic numerals and luminescent hands/indices. Annual calendar with tri-window display at 12 o'clock (day/month/date), power reserve indicator at 3 o'clock, and small seconds at 9 o'clock. Brown calfskin leather strap with white gold folding clasp.