The Big Pilot's Watch Top Gun has convenient modern features like power reserve and date displays. Comprising 311 parts, the IWC-manufactured 51111 calibre has a patented pawl-winding system that builds up a seven-day power reserve after just 1960 full revolutions of the rotor. The sapphire glass has an anti-reflective coating on both sides and is secured against sudden drops in pressure in the cockpit. 46mm black ceramic case. Black calf skin strap.