Cartier Ballon Bleu watch, 42mm. Mechanical self-winding 1847 MC movement. Rose gold 750/1000 case, fluted crown with cabochon sapphire, silver opaline guilloché and lacquered dial. Blued steel sword-shaped hands. Sapphire crystal. Brown alligator leather strap with interchangeable rose gold 750/1000 deployant buckle. Date window at 3 o'clock. Thickness: 13mm. Water resistant up to 3 bar (~30 meters). Features: