Keep in mind that Breguet in modern times actually took over Lemania, including the factory and designs as part of Mr. Hayek Sr. restructuring of the Swatch Group.
Many of the Brequet movements have been based on original Lemania designs. The basics for the CH27 chronograph (better known to guys in here as the Omega 321/861) is still in use in various Breguet chronographs. Patek used this basis as well up to quite recently.
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