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Hi-tech
Watches Made in Japan
Quartz Watches: A Japanese Invention
(Seiko Watch)
The world�s first quartz wristwatch, the Quartz Astron, went on sale in 1969.
Ancient clocks 1
Sundial (Seiko Institute of Horology)
You can tell what time it is by the shadow cast by the sun on the dial.
How quartz watches work
(Seiko Watch)