Santos-Dumont Skeleton Watch with micro-rotor Ref. WHSA0031 Hamza G and the movement is on

and the movement is on show front and back through the sapphire caseback

The Santos de Cartier Skeleton

the lighter

The boxy shape and reinforced corners are a direct nod to Louis Vuitton's history of building travel trunks

Santos-Dumont Skeleton Watch with micro-rotor Ref. WHSA0031 Hamza G and the movement is onThe Santos Dumont Skeleton Micro Rotor solves a problem that has limited skeleton watches for decades. Openworked movements are almost always hand wound, because a conventional winding rotor would sit across the movement and hide the very architecture you paid to see. Cartier's answer is the calibre 9629 MC, which places a micro rotor within the movement itself, so the watch winds automatically while the openwork stays fully visible. The case is 18K