IWC Pilot’s Watch Chronograph Edition 10 Years of MR PORTER Watch - Bronze Case - Black Dial - Black Alcantara Strap Limited Edition of 110 - IW38790741. 0 mm bronze case with soft iron inner case for protection against magnetic fields, 15. 3 mm thick, screw in crown, convex sapphire glass crystal with antireflective coating on both sides, black dial, calibre 69380 automatic movement with date, day, chronograph, column wheel, hours, minutes, small seconds, approximately 46 hours of power reserve, black alcantara strap. Water resistant to 6 bar.