This 43.5mm Big Pilots Watch 43 TOP GUN from IWC Schaffhasen is accented with a black dial and fitted on a black textile strap with EasX-CHANGE system. This timepiece features sapphire glass, convex, antireflective coating on both sides, central hacking seconds, glass secured against displacement by drop in air pressure, soft-iron inner case for protection against magnetic fields, and pellaton automatic winding.