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  2. Elgin National Watch Company - Wikipedia

    en.wikipedia.org/wiki/Elgin_National_Watch_Company

    The Elgin National Watch Company, commonly known as Elgin Watch Company, was a major US watch maker from 1864 to 1968. The company sold watches under the names Elgin, Lord Elgin, and Lady Elgin. For nearly 100 years, the company's manufacturing complex in Elgin, Illinois, was the world's largest site dedicated to watchmaking. [1]

  3. Astron (wristwatch) - Wikipedia

    en.wikipedia.org/wiki/Astron_(wristwatch)

    In 2019, Seiko released several limited edition Astron models to commemorate the 50th anniversary of the quartz Astron. [5] [6] Among them, the model produced in a limited edition of 50 pieces (3.8 million yen) mimics the original case design and has a rough engraving pattern by craftsmen belonging to Epson's "Micro Artist Workshop".

  4. Elgin (automobile) - Wikipedia

    en.wikipedia.org/wiki/Elgin_(automobile)

    Elgin Motor Car Corporation was formed in 1916 by several executives from the Elgin Watch Company. The company was based on the former New Era Motor Car Company of Joliet . Upon being taken over, the erstwhile company was moved in its entirety to Elgin, where the new company had a 210,000 square foot factory waiting on 13 acres. [ 1 ]

  5. Quartz crisis - Wikipedia

    en.wikipedia.org/wiki/Quartz_crisis

    Quartz movement of the Seiko Astron, 1969. The quartz crisis (Swiss) or quartz revolution (America, Japan and other countries) was the advancement in the watchmaking industry caused by the advent of quartz watches in the 1970s and early 1980s, that largely replaced mechanical watches around the world.

  6. Electric watch - Wikipedia

    en.wikipedia.org/wiki/Electric_watch

    The Hamilton Watch Company would be the first to produce and retail an electric watch beginning in 1957, [1] before the commercial introduction of the quartz wristwatch in 1969 by Seiko with the Astron. Their timekeeping element was either a traditional balance wheel or a tuning fork, driven electromagnetically by a solenoid powered by a ...

  7. Omega Chrono-Quartz - Wikipedia

    en.wikipedia.org/wiki/Omega_Chrono-Quartz

    Omega calibre 1611 Chrono-Quartz case back with olympic logo. The Omega Chrono-Quartz is rare amongst modern wristwatches as the calibre 1611 was had a module exclusive to itself; only 15,000 units were made. [5] The production version of the watch was introduced at the 1976 Montreal Olympic Games and at the same time Omega sponsored the event.

  8. Omega Electroquartz - Wikipedia

    en.wikipedia.org/wiki/Omega_Electroquartz

    Csem-beta1. In 1966 after six years of research at Centre Electronique Horloger laboratories in Neuchâtel (CEH), Switzerland the first prototype of a quartz wristwatch was produced, the beta-1, this was the first real quartz wristwatch and operated using an 8192 Hz quartz oscillator, which was mounted to an in-house integrated circuit.

  9. Incabloc shock protection system - Wikipedia

    en.wikipedia.org/wiki/Incabloc_shock_protection...

    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.