IWC Portuguese Tourbillon Mystere Retrograde Platinum Men's Watch IW504401

White platinum case with a black alligator leather strap. Fixed white platinum bezel. Ruthenium black dial with silver-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Retrograde date display. IWC Calibre 51900 Automatic movement, based upon IWC 5011, containing 44 Jewels, bitting at 19800 vph, and has a power reserve of approximately 168 hours. Scratch resistant sapphire crystal. Pull / push crown. Skeleton case back. Round case shape, case size: 44.2 mm, case thickness: 15.5 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: tourbillon, date, hour, minute, second, power reserve indicator. Additional Info: limited edition of 250 pieces. Portuguese Series. Luxury watch style. Watch label: Swiss Made. IWC Portuguese Tourbillon Mystere Retrograde Platinum Men's Watch IW504401.