18kt rose gold case with a brown alligator leather strap. Fixed 18kt rose gold bezel. Black dial with gold-toned hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Four sub-dials displaying: perpetual calendar, combined day of the week and 60 second, month and date. Automatic movement. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Case diameter: 46 mm. Case thickness: 16 mm. Round case shape. Band length: 8.5 inches. 18kt rose gold tang clasp. Water resistant at 30 meters / 100 feet. Functions: hour, minute, second, calendar, moonphase. Additional Info: Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase. Luxury watch style. Watch label: Swiss Made. IWC Big Pilot Perpetual Bucherer Black Dial 18kt Rose Gold Black Leather Men's Watch IW502635.