The first new BLS product on the market - Breitling Super Mechanical Chronograph 44mm, exclusive ceramic technology, breaking through the original technical barriers. The design is inspired by the Italian Air Force's "Tricolor Arrow", which is a chronograph loved by explorers. The ingenious work continues to use the original Factory embryo factory. 1-B01 self-winding chronograph movement, 2-stainless steel case with screw-in case back, 3-ratchet unidirectional bezel, screw-in, double-sealed crown, 4-caved surface Sapphire crystal glass, double-sided anti-reflective mirror.,