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Jewel bearing of a balance wheel, supported by a lyre-shaped spring. The Incabloc shock protection system is the trade name for a spring-loaded mounting system for the jewel bearings that support the balance wheel in a mechanical watch, to protect the wheel's delicate pivots from damage in the event of physical shock, such as if the watch is dropped.
The watches could be produced by a subsidiary of their own in Switzerland or they could assemble the watches domestically. [2] The first Wittnauer's watch line was crafted starting from 1880, but the Wittnauer brand was formally established 1888 when Wittnauer took over Eugene Robert’s company and renamed it the "A. Wittnauer Company". [3]
The tuning fork prongs are around the two electromagnetic coils at the top of the watch that drive it. Bulova's "Accutron" watches, first sold in October 1960, [30] use a 360 Hz tuning fork instead of a balance wheel as the timekeeping element. [31] The inventor, Max Hetzel, was born in Basel, Switzerland, and joined the Bulova Watch Company in ...
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Georges Louis Ruedin (1870–1935), Swiss watch producer, Berner Jura, director of the Société Horlogère Reconvilier. Jens Olsen (1872–1945), Danish clockmaker, Ribe, astronomical world clock in Copenhagen. Jämes Pellaton (1873–1954), Swiss watchmaker, Le Locle, tourbillon. Louis Cartier (1875–1942), French watchmaker, Paris, Cartier ...
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