IWC 5023 Portuguese Perpetual Calendar II, 5023-07, 18K White Gold on a Strap with an 18K White Gold Deployment Buckle, Automatic Movement, Metallic Dial with Rose Gold Hands & Rose Gold Applied Arabic Numeral Hour Markers, Perpetual Calendar, Date, Month, Moonphase, Year, 7 Day Power Reserve Indicator, Offset Seconds Hand, Display Back, Sapphire Crystal, Water Resistant to 30 Meters, Size: 44.2 mm, Thickness: 15.5 mm, Unworn with Original Box and Papers.