18kt white gold case with a black alligator band. Fixed bezel with diamond set. Silver-tone dial with index-Roman numeral hour markers. Dial Type: Analog. Chopard Calibre L.U.C 02.01-L hand wind movement with a 216-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Round case shape, case size: 43 mm, case thickness: 12.50. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: hour, minute, second, tourbillon. L.u.c Quattro Tourbillon Series. Luxury watch style. Watch label: Swiss Made. Item Variations: Limited to 25. Chopard L.U.C Quattro Tourbillon Hand Wind Diamond Silver Dial Mens Watch 171921-1001.