According to several sources, it appears that Mathey Tissot were contracted by Breguet to produce the Type XX. Made in both military and civilian versions, the Mathey Tissot examples appear to have been made for the general public. Both models are in all points similar, featuring a flyback chronograph, a rotating outer bezel and a large 15-minute counter. Mathey-Tissot Type XX were made in far fewer quantities than their sister Breguet examples and this example has been kept in great condition, with very attractive matching hands and index patina