18kt white gold case with a black alligator/crocodile leather strap. Fixed 18kt white gold bezel. Black dial with silver-tone hands and index-Arabic numerals hour markers. Dial Type: Analog. Perpetual calendar. Five sub-dials displaying: month, retrograde date, leap year, moonphase. Harry Winston Calibre 3306.qp Automatic movement, containing 35 Jewels, bitting at 28800 vph, and has a power reserve of approximately 45 hours. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape, case size: 41 mm, case thickness: 10.90 mm. Deployant buckle clasp. Water resistant at 30 meters / 100 feet. Functions: perpetual calendar, leap year, moon phase, retrograde, month, date, hour, minute, second. Additional Info: limited edition of 75 pieces. Premier Excenter Perpetual Series. Luxury watch style. Watch label: Swiss Made. Harry Winston Premier Excenter Perpetual Automatic Black Dial Men's Watch prnapc41ww001.