The Ballon Bleu de Cartier watch (ref. WSBB0028) features a 36mm stainless steel case, with a fluted crown adorned with a cabochon-shaped synthetic spinel. Its silvered guilloché dial features Roman numerals and blued steel sword-shaped hands. Equipped with a self-winding mechanical movement, it is protected by a sapphire crystal and comes with a black alligator strap with steel folding clasp. Water resistance to 30 meters is guaranteed.