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 IW590303, has a 46.2 mm 18-carat Armor Gold case. This special edition has a tourbillon with an integrated constant-force mechanism. Case thickness is 13.5 mm, and the crown screws down. Manual-winding calibre 94805 has a 96-hour power reserve, 41 jewels and 341 components. Convex sapphire glass with antireflective coating on both sides covers the blue dial with a power reserve indicator and a moon phase display. A brown calf leather strap is on the watch. Water resistance is rated to 60 metres. The movement is decorated with Côtes de Genève.