IWC - Pilots Watch Big Pilots Watch IW500901

46 mm stainless steel case with soft iron inner case for protection against magnetic fields, crystal secured against displacement by drop in air pressure, screw-in crown, black dial, pellaton automatic winding calibre 51111 movement with date display, power reserve display, Glucydur beryllium alloy balance with high-precision adjustment cam on balance arms, Breguet spring, approximately 7 days of power reserve, black alligator leather strap. Water resistant to 6 bar.