Rotonde de Cartier Masse Mystérieuse watch

Rotonde de Cartier watch, Masse Mystérieuse skeleton, mechanical movement with automatic winding, calibre 9801 MC. Case in platinum 950/1000, beaded crown in platinum 950/1000 set with a ruby, dial in platinum 950/1000, sword-shaped hands in polished grey steel, sapphire crystal and case back. Two straps in black and dark grey alligator skin, folding buckle in white gold 750/1000. Masse Mystérieuse watch box, watch travel cases and cufflinks in black lacquered wood with silver-coloured motif, glass lens, winding motor and black interior. Dimensions: 278 x 220 x 143 mm Watch travel cases in grey alligator skin, black interior and palladium finish. Dimensions: 104 x 82 x 68 mm Masse Mystérieuse motif cufflinks in rhodium-finish white gold 750/1000, black lacquer. Head dimensions: 17 mm long x 17 mm wide x 3.5 mm thick.