Cartier Rotonde de Cartier Astrotourbillon Skeleton Watch - 47 mm White Gold Case - W1556250 Double Rolex calibre 3235 perpetual self-winding

Rolex calibre 3235 perpetual self-winding movement with date at 3 o'clock that changes instantaneously at midnight in a few thousandths of a second

white structured lined rubber strap

Its design

embellished with Roman hour markers

Calibre Omega 9900 self-winding co-axial master chronometer movement with chronograph

Cartier Rotonde de Cartier Astrotourbillon Skeleton Watch - 47 mm White Gold Case - W1556250 Double Rolex calibre 3235 perpetual self-winding47mm 18K white gold case, 15. 8mm thick, transparent back, beaded 18K white gold crown set with a blue sapphire cabochon, 18K white gold bezel, sapphire crystal, silver dial with roman numeral dial, caliber 9461 manual winding movement with blued steel sword shaped hands, approximately 49 hours of power reserve, black alligator skin strap, double adjustable folding buckle. Water resistant to 3 bar.