Ballon Bleu
36mm 18K pink gold case, 12.10mm thick, fluted crown set with a sapphire cabochon, bezel...
40 mm 18K rose gold case set with 52 brilliant-cut diamonds, 12.4 mm thick, fluted...
42mm 18K pink gold case, 13mm thick, fluted crown set with a sapphire cabochon, bezel...