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breguet_hairspring

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.

See also:

breguet_hairspring.txt · Last modified: 30.03.2022 11:40 by gerdlothar

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