IWC Schaffhausen Big Pilot's Watch Constant-Force Tourbillon Edition "Le Petit Prince"

The IWC Big Pilot's Watch Constant-Force Tourbillon Edition "Le Petit Prince", reference IW590302, has a 46.2 mm platinum case. This special edition has a tourbillon with an integrated constant-force mechanism. The case measures 13.5 mm thick and has a screw-down crown. Manual-winding calibre 94805 has a 96-hour power reserve, 41 jewels and 341 components. Convex sapphire glass has antireflective coating on both sides. The blue dial has a moon phase display and a power reserve indicator. The case has a see-through back and a water-resistance rating of 60 metres. A brown calf leather strap measures 22 mm wide.