Ballon Bleu de Cartier watch, 42 mm W69005Z2

Case in 18K yellow gold, 18K yellow gold fluted crown set with a blue sapphire cabochon, sapphire crystal, silvered opaline dial, ‘guilloché’ and lacquered, Roman numerals, sword-shaped blued-steel hands, 18K gold bracelet, mechanical movement with automatic winding Cartier caliber 049, water resistant to 30 meters / 100 feet. Case dimensions: 42.1 mm diameter, 13 mm thick.