Brand New Authentic IWC Portugieser Perpetual Calendar 42 Automatic Silver Dial Black Leather Strap Men's Luxury Watch Model IW344203. Brushed and Polished Stainless Steel case with Black Alligator Leather strap. Brushed and Polished Stainless Steel Folding clasp. Smooth bezel. Dial description: Polished Rose Gold Tone Hands and Arabic Numeral Hour Markers with Minute Markers Around the Outer Rim and 3 Sub-dials on a Silver dial. Swiss Automatic movement. Chronograph sub-dials display: Moonphase, Date, Month and Day of the Week. Calendar: Perpetual Calendar. Powered by IWC Calibre 82650 engine with 60 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second, Moonphase, Day, Calendar. Push-Pull crown. Scratch Resistant Sapphire crystal. Unique case shape. Case size: 42.40mm. Case thickness: 13.80mm. Transparent case back. 30 Meters - 100 Feet water resistant. 2-year WatchMaxx warranty. Also known as model: 344203.