Rotonde de Cartier Watch, Mysterious Skeleton Mass, automatic winding 9801 MC mechanical movement. 950/1000 platinum case, beaded platinum crown with ruby, platinum dial, polished steel glaive-shaped hands, sapphire crystal and back. Comes with black and dark gray alligator leather straps, 750/1000 white gold deployant buckle. Includes black lacquered wooden box, travel watch cases, and Mystery Mass cufflinks. Dimensions: 278 x 220 x 143 mm. Leather travel watch cases in gray alligator, palladium finish. Dimensions: 104 x 82 x 68 mm. Mystery Mass cufflinks in 750/1000 rhodium-plated white gold, black lacquer. Head dimensions: length 17 mm x width 17 mm x thickness 3.5 mm.