Portal: Watch Knowledge

The Chronomatic was the result of a remarkable alliance of leading watch manufacturers. Dubois Dépraz first investigated the idea of combining a chronograph module of their design with a thin Büren micro-rotor automatic movement, but it was Heuer-Leonidas who drove the project.

On March 3, 1969 the group presented the project to the world press simultaneously in Geneva, New York, Hong Kong and Beirut.

There is some controversy about who was truly first to launch an automatic chronograph and under what conditions. On January 10 of the same year, Zenith/Movado presented their own development of a self-winding chronograph movement, called "El Primero", i.e. “The First”. Both developments highlight, each for itself, the excellence of the Swiss watch making art …

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