IWC Portugieser Chronograph Watch - 41.0 mm 5N Gold Case - Silver Dial - Dark Brown Alligator Strap - IW371611

41.0 mm 18K 5N gold case, 13.0 mm thick, see-through sapphire glass back, convex sapphire glass crystal with antireflective coating on both sides, silver-plated dial, calibre 69355 automatic movement with chronograph, column wheel, hours, minutes, small seconds, approximately 46 hours of power reserve, dark brown alligator leather strap by santoni. Water resistant to 3 bar.