18k rose gold case with a dark brown alligator leather strap. Fixed bezel. Ardoise dial with rose gold-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Date. Two - date and power reserve. Automatic movement. Caliber 51900 engine. Scratch resistant sapphire crystal. Case diameter: 44.2 mm. Case thickness: 15.3 mm. Round case shape. Water resistant at 50 meters / 165 feet. Functions: date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. IWC Portugieser Ardoise 18K Rose Gold Automatic Mens Watch IW504602.