IWC Schaffhausen Big Pilot’s Watch Constant Force Tourbillion

The IWC Schaffhausen Big Pilot's Watch Constant Force Tourbillion IW590503 has a case in 18-carat Armor Gold measuring 46.2 mm across. The case stands 13.5 mm thick and carries a screw-down crown. Water resistance is rated to 60 metres. A manual-winding, IWC-manufactured calibre 94800 drives the watch, offering a power reserve of 96 hours. The dial sits under a convex sapphire crystal with antireflective coating on both sides. IWC pairs the movement with a tourbillon featuring an integrated constant-force mechanism, alongside a moon phase display and a power reserve indicator. The display back shows the mechanism through a sapphire window. The watch is fitted on a black rubber strap with alcantara inlay.