Heuer's 1914 catalog shows a series of pocket chronographs with 19 ligne, 17 jewel movements, with cases made of black matte oxidized steel, polished nickel, silver and gold. This seems to have been Heuer's top collection of pocket chronographs, as Heuer also offered a "Bon Marche" (affordable) pocket chronographs.

Reference 100 A through 109 A was a series of pocket chronographs with 19 ligne movements, with cases of polished nickel, gunmetal, silver or gold; cases were 52 millimeters across the dial