18k carat king gold case with a alligator outer / rubber inner strap. Fixed bezel. Skeleton dial with gold-tone hands and index hour markers. Gold. Dial Type: Analog. Luminescent hands and markers. Hublot Calibre HUB 6310 hand wind movement with about 115 hours of power reserve. Scratch resistant sapphire crystal. Pull / push crown. Skeleton transparent exhibition see through case back. Case size: 45 mm. Round case shape. Tang clasp. Functions: tourbillon, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Item Variations: 506 OX 0180 LR, 506-OX-0180-LR, 506/OX/0180/LR, 506OX0180LR. Hublot Tourbillon Skeleton King Gold 18 Carat King Gold Mens Watch 506.OX.0180.LR.