Santos-Dumont watches large steel

Santos-Dumont watches, large models, Cartier 430 MC Workshop refined manual winding mechanical movement. Steel case, black lacquer finish, steel bead crown, set with a convex round blue synthetic spinel, black square decorative dial, covered with translucent paint, Roman numerals, steel hands in the shape of a sword, synthetic sapphire crystal mirror. The back of the watch is inscribed with the handwritten signature of Alberto Santos-Dumont. Black alligator strap with steel needle buckle. Case size: 43.5mm x 31.4mm, thickness: 7.3mm. Life waterproof depth 3 bar (approx. 30 m /100 ft).