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Zenith el primero defy 219/17/2023 ![]() In 1969, at a press conference, Zenith announced the imminent launch of the first fully integrated, high-frequency, automatic chronograph movement. ![]() With all these requirements, the bar was raised so high that the project could not be completed in time for the brand’s centenary in 1965. A relatively small size, along with a date indication, were additional details they were going after. And to make things even more challenging, the beating frequency of the chronograph had to be high enough to make it the most accurate chronograph wristwatch in the world, capable of measuring 1/10th of a second. Instead of considering the easier option, to add a chronograph module to a base movement, Zenith had a more ambitious plan-to have the chronograph function integrated fully within the mechanism, and actuated by a column wheel rather than by a cam, which would be easier to implement. They were competing with several other brands such as Heuer, Breitling, Seiko, Hamilton, and others. In 1962, Zenith began developing the idea of creating the first automatic chronograph in watchmaking history. A Look Back At ‘The First’ El Primero-The World’s Most Famous Watch MovementĮven though automatic movements started becoming popular in the 1940s and 50s, automatic chronograph movements were unheard of.
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