The Cartier Ballon Bleu ref: WSBB0031 features a stainless steel case with a diameter of 33mm. This model is equipped with an automatic winding mechanism powered by the Calibre 076 movement. The watch showcases a pink dial, offering a unique aesthetic. Its design is complemented by a smooth finish, making it suitable for various occasions. The combination of materials and engineering reflects Cartier's commitment to precision and style.