18kt rose gold case. Matte brown alligator strap. Silver 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 42.3mm. Automatic movement. Water resistant at 30 meters (100 feet). IWC Portuguese Perpetual Calendar 18kt Rose Gold Brown Mens Watch 5022-13 / 502213.
Brand Name: IWC
Part Number: IWC-5022-13
Case diameter: 42 millimeters
Water resistant depth: 30 Meters