Clé de Cartier watch, 31 mm, mechanical movement with automatic winding. Steel case, key set with a synthetic spinel, silvered flinqué dial with sunray effect, blued-steel sword-shaped hands, sapphire crystal, shiny Bordeaux alligator-skin strap, steel double adjustable folding buckle. Case thickness: 11. 04 mm. Water-resistant to 3 bar (approx. 30 meters / 100 feet).Cartier continues to reign as the master of watches with its latest collection, Clé de Cartier. With soft curves, clean lines, and a rounded profile, the Clé exudes a minimalist elegance. The design is a testament to precision, balance, and proportion. Great mastery went into creating fluid lines and a harmonious design. The 35 mm and 40 mm Clé de Cartier models house the caliber 1847 MC, the new Cartier Manufacture Movement. Explore the full Cartier range here.