Complete set, Cartier, Ballon Bleu series, model: WSBB0027, automatic mechanical men's wristwatch, diameter: 42mm, blue dial Roman engraving, appearance configuration: stainless steel bezel without diamonds, grooved stainless steel crown set with one cabochon synthetic spinel; The blue guillose-patterned dial is paired with Roman numeral hour markers and sword-shaped silver hands. The crystal is made of anti-reflective sapphire crystal, and a date display window is set at the 3 o 'clock position