The Cartier Santos-Dumont Grand Model, reference WSSA0046, is a hand-wound mechanical watch with a black lacquered steel case and a Manufacture Caliber 430 MC movement. This timepiece is secured with a black alligator strap and a steel pin buckle. Its elegant proportions allow for a refined presence on the wrist, suitable for formal attire or as a distinguished daily wear. Key details Brand: Cartier Line: Santos-Dumont Grand Model Reference: WSSA0046 Movement: Mechanical hand-wound, Caliber 430 MC Material: Lacquered steel, alligator Crown: Beaded, blue synthetic spinel cabochon Dial: Black square, Roman numerals, sword-style steel hands Case dimensions: 43.5 mm x 31.4 mm, 7.3 mm thick Water resistance: 3 bar (30 meters)