Pre-owned 18kt rose gold case. Matte brown alligator strap. Black dial with day/date/month/year displays. Moon phase display. Seven-day power reserve displays in small subdial. Convex sapphire crystal. Sapphire crystal caseback. Case diameter 44.2mm. Automatic movement. Water resistant at 30 meters (100 feet). IWC Portuguese Perpetual Calendar 18kt Rose Gold Brown Mens Watch IW502119
