The rectangular steel case measures 43.5mm x 31.4mm with curved profile following wrist contours for enhanced comfort. Signature screwed bezel maintains Santos design DNA while ensuring water resistance to 100 meters.
Manual-winding 430 MC movement provides elegant thinness with 38-hour power reserve and precise timekeeping. Roman numeral dial includes railway minute track and blued steel hands creating classical Cartier aesthetic appeal.
Quick-release bracelet system enables easy strap changes between steel bracelet and leather options. Sapphire crystal provides clarity while exhibition caseback reveals decorated movement finishing with Côtes de Genève.
Priced at $6,050, this steel Santos-Dumont represents accessible Cartier luxury with aviation heritage and distinctive rectangular case design appealing to dress watch enthusiasts and collectors.