Ballon Bleu de Cartier watch Grand Seiko fluted crown decorated with a

fluted crown decorated with a synthetic spinel cabochon

a true testament to the ingenuity of our watchmakers

Right from their conception

and a dual-curved sapphire crystal with anti-reflective coating on the inner surface for clear visibility

Ballon Bleu de Cartier watch Grand Seiko fluted crown decorated with aBallon Bleu de Cartier watch, 40 mm, Manufacture mechanical movement with automatic winding, caliber 1847 MC. Steel case, fluted crown set with a synthetic cabochon shaped spinel, silvered guilloch dial, blued steel sword shaped hands, sapphire crystal, interchangeable black alligator leather strap, steel interchangeable deployant buckle, calendar aperture at 3 o'clock. Thickness: 12. 4 mm. Water resistant up to 3 bar (approx. 30 meters 100 feet).