IWC Style No: IW391025 IWC Portofino Chronograph Watch - 42.0 mm 5N Gold Case - Silver Dial - Dark Brown Alligator Strap

42.0 mm 18K 5N gold case, 13.6 mm thick, convex sapphire glass crystal with antireflective coating on both sides, silver-plated dial, calibre 75320 automatic movement with date, day, chronograph, hours, minutes, small seconds, approximately 44 hours of power reserve, dark brown alligator leather strap. Water resistant to 3 bar.