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Breguet hairspring

Type of balance spring

Hairspring where the last spiral turn is bent double knee-shaped and upwards. This hairspring, which was invented by the famous watchmaker Abraham-Louis Breguet in 1795 and named after him, extends more evenly to all sides.

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breguet_hairspring.txt · Last modified: 11.10.2021 17:01 (external edit)

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