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  2. Grand Seiko's Grand Plan to Win Over Western Watch Lovers - AOL

    www.aol.com/news/grand-seiko-apos-grand-plan...

    Grand Seiko's Grand Plan to Win Over Western Watch Lovers. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 ...

  3. Seiko - Wikipedia

    en.wikipedia.org/wiki/Seiko

    Some Grand Seiko timepieces also incorporate the company's Spring Drive movement, a movement that is a combination of both automatic and quartz timekeeping methods, leading to unparalleled accuracy in the world of automatic wristwatches. The most famous example is the SBGA011 Grand Seiko "Snowflake", housing the 9R Spring Drive movement. With ...

  4. Spring Drive - Wikipedia

    en.wikipedia.org/wiki/Spring_Drive

    The Seiko Spacewalk is a limited edition Spring Drive model, designed specifically for use in space Spring Drive is a name given to a series of watch movements produced by Epson in Shiojiri . The concept of using a mainspring to power a quartz timing package was first conceived in 1977 by Yoshikazu Akahane (赤羽 好和) at Suwa Seikosha [ 1 ...

  5. COSC - Wikipedia

    en.wikipedia.org/wiki/COSC

    Background. Founded in its current form in 1973, the COSC is a Swiss non-profit organization that tests chronometers that are Swiss Made. COSC is an acronym for the organization's French language name, Contrôle Officiel Suisse des Chronomètres. COSC testing generally applies to watches manufactured or assembled in Switzerland. [1]

  6. Grand Seiko Dives Back Into the ’60s for Its Two ... - AOL

    www.aol.com/lifestyle/grand-seiko-just-unveiled...

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  7. Seiko Group - Wikipedia

    en.wikipedia.org/wiki/Seiko_Group

    Seiko Watch delegates the manufacture of some of its high-end quartz and spring drive watches (Seiko Astron, Grand Seiko, Credor, etc) to the Wearable Products Operations Division of Epson. Time Module (TMI), a member of the Seiko Group, was established in 1987 with funding from Seiko Watch Company, Seiko Instruments Inc., and Seiko Epson Corp ...

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