Ballon Bleu de Cartier watch
Ballon Bleu de Cartier watch, 42 mm, mechanical self-winding movement. Case in 18K yellow gold set with 126 brilliant-cut diamonds totalling 1.83 carats. Fluted crown set with a sapphire cabochon. Lacquered silvered guilloché opaline dial. Sword-shaped hands in blued steel. Sapphire crystal. Bracelet in 18K yellow gold, wrist size 185 mm, calendar aperture at 3 o'clock. Case thickness: 13 mm. Water-resistant to 30 metres/100 feet.