The Cartier Ballon Bleu de Cartier Yellow Gold Diamond Silver Dial 42mm Ref. WJBB0031 seamlessly combines luxury craftsmanship with functional precision. Encased in 18K yellow gold, the 42mm case is adorned with 126 brilliant-cut diamonds totaling 1.83 carats, offering a refined aesthetic. The fluted crown is set with a signature sapphire cabochon, a hallmark of the Ballon Bleu collection. Beneath the sapphire crystal lies a lacquered silvered guilloché opaline dial with Roman numerals and sword-shaped blued steel hands, providing an elegant contrast. Powered by a self-winding mechanical movement, this watch features hours, minutes, seconds, and a date display at 3 o’clock. The purple alligator leather strap with an 18K yellow gold folding clasp ensures both comfort and sophistication. With a case thickness of 13mm and water resistance up to 30 meters, the Ballon Bleu de Cartier Ref. WJBB0031 is crafted for those who value both opulence and performance.