18kt rose gold case with a black alligator leather strap. Fixed rose gold 18kt rose gold bezel. Slate grey dial with rose gold-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Perpetual calendar. Four: day (60 seconds), date (power reserve), month, double moonphase sub-dials subdials. IWC Calibre 52615 automatic movement with a 168-hour power reserve. Scratch resistant sapphire crystal. Transparent case back. Round case shape, case size: 44.2 mm, case thickness: 15.3 mm. Water resistant at 30 meters / 100 feet. Functions: year, month, date, day, hour, minute, second, perpetual calendar, double moonphase. Luxury watch style. Watch label: Swiss Made. IWC Portugieser Perpetual Calendar Automatic Slate Grey 18 Kt Rose Gold Mens Watch IW503404.