IWC Portofino Chronograph Watch - 42.0 mm Stainless Steel Case - Black Dial - Milanaise Mesh Steel Bracelet - IW391030

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, milanaise mesh stainless steel bracelet. Water resistant to 3 bar.