Longines introduces the Ultra-Chron Classic in 37mm and 40mm cases, a faithful recreation with a high-frequency automatic movement.
Longines has a long history with high-frequency movements, receiving the first patent for a pocket chronograph in 1910, capable of measuring 1/10th of a second. In 1959, Longines presented its first wristwatch with a high-frequency movement, deviating about 1/10th of a second per day.
In 1967, Longines introduced the Ultra-Chron ref. 7827, the first self-winding high-frequency wristwatch produced in high volumes. The brand now re-issues this watch with the Ultra-Chron Classic.
A Longines Ultra-Chron from 1969 is a notable example of the original design.
In 2022, Longines released a re-edition of its Ultra-Chron Diver from 1968, showcasing the brand's continued interest in its heritage models.
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Author's summary: Longines Ultra-Chron Classic honors the 1967 original.