IWC Style No: IW344101IWC Portugieser Yacht Club Perpetual Calendar 42 Watch - 18K Armor Gold Case - Black Dial - Black Rubber Strap
42.4 mm 18K armor gold case, screwed-in crown, convex sapphire glass crystal with antireflective coating on both sides, black dial, calibre 82651 automatic self-winding movement with hours, minutes, small seconds, black rubber strap.