Cartier, master of shaped watches, presents the Clé de Cartier. The design is a testament to accuracy, balance and proportion; with soft curves, clean lines and a rounded profile Clé owes its name to its crown. Considerable mastery was required to create fluid lines and a harmonious ensemble. The 35 mm and 40 mm Clé de Cartier models house the calibre 1847 MC, the new Cartier Manufacture Movement. Clé de Cartier watch, 40 mm, Manufacture self-winding mechanical movement, calibre 1847 MC. Steel case, key set with a synthetic spinel, silvered flinqué sunray effect dial, blued-steel sword-shaped hands, sapphire crystal and case back, steel bracelet. Case thickness: 11.76 mm. Water-resistant to 3 bar (approx. 30 metres).