IWC Portugieser Perpetual Calendar men's watch with 18kt rose gold case, brown alligator leather strap and tang clasp. Features a silver dial, screw down crown, scratch resistant sapphire crystal, fixed bezel, automatic Pellaton winding movement with seven-day power reserve, transparent case back, dimensions: 44mm diameter, 15.3mm thickness, water resistance to 30 meters (100 feet), and comes with a two-year WatchMaxx warranty.