18kt rose gold case with a black leather strap. Fixed 18kt rose gold bezel. Silver dial with rose gold tone hands and Arabic numeral hour markers, minute markers on the outer rim hour markers. Dial Type: Analog. Perpetual calendar with day / date / month / year / moonphase. Small second and day at 9, perpetual moon-phase at 12, month at 6, date and power reserve indicator subdials. IWC Calibre 50612 automatic movement with a 168-hour power reserve. Scratch resistant sapphire crystal. 18k rose gold, fluted crown. Sapphire crystal display case back. Round case shape, case size: 42.3 mm, case thickness: 15.6 mm. Deployment clasp. Water resistant at 30 meters / 100 feet. Functions: year, month, day, date, hour, minute, second,moonphase, perpetual calendar. Additional Info: moon phase display; day/date/month/year displays; 7-day power reserve displays in small subdial. Portuguese Perpetual Calendar Series. Dress watch style. Watch label: Swiss Made. Pre-owned IWC Portuguese Perpetual Calendar Silver Dial Mens Watch IW502213.