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Seiko Institute of Horology / Seiko Quartz Astron

The Seiko Institute of Horology (now The Seiko Museum) was opened in 1981 as part of a project to commemorate the 100th anniversary of the founding of Seiko. The museum displays research materials related to time and timepieces produced in Japan and other countries around the world. (For more information, see the February 2009 issue of the PR magazine pla-topia.) http://museum.seiko.co.jp/

Seiko Quartz Astron 1969
Seiko Quartz Astron
The Seiko Quartz Astron was debuted as the world's first quartz wrist watch in 1969.
At the time it was priced at an expensive 450,000 Yen. The quartz clock itself was developed by America's Marrison, but its size was that of a chest and the major challenge was how small it could then be made. Seiko was the first in the world to successfully overcome this challenge. Its products are widely adopted as the global de facto standard for quartz watches.
Social conditions
The isochronism of a pendulumWhat is the temporal time method?What is quartz?Plastic and desk clocks
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