Cartier Style No: WGBB0063 Cartier Ballon Bleu de Cartier Watch - 40 mm Yellow Gold Case - Blue Sunray Dial - Interchangeable Dark Blue Leather Strap

40 mm yellow gold case, 12.44 mm thick, fluted 18K yellow gold crown set with a sapphire cabochon, sapphire crystal, blue sunray dial, caliber 1847 MC automatic movement, interchangeable dark blue alligator leather strap. Water resistant to 3 bar (approx 30 meters/100 feet).