1930s Chronograph with Jumping Hour - Time To Tell

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10 08, 2026
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According to Eberhard, his jumping-hour chronographs date back to the 1920s and are linked to a 1905 patent.

Both of these claims seem unlikely: the 1905 patent does not pertain to a chronograph, and by the 1920s, the patent had entered the public domain.

A quick search through watchmaking archives reveals clues suggesting that these chronographs date from the 1930s and were likely produced by Breitling.

To learn more, click here.

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