IWC Style No: IW391029 IWC Portofino Chronograph Watch - 42.0 mm Stainless Steel Case - Black Dial - Black Alligator Strap

42.0 mm stainless steel case, 13.6 mm thick, convex sapphire glass crystal with antireflective coating on both sides, black dial, calibre 75320 automatic movement with date, day, chronograph, hours, minutes, small seconds, approximately 44 hours of power reserve, black alligator leather strap. Water resistant to 3 bar.