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The History of Seiko Through 12 Milestone Seiko Watches | WatchTime - USA's No.1 Watch Magazine
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A tribute to a watchmaking revolution. The 50th anniversary of the Quartz Astron is celebrated in a limited edition GPS Solar watch. | News | Seiko Watch Corporation
Seiko Astron: World's First Quartz Watch Turns 40 | aBlogtoWatch
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Seiko Astron: World's First Quartz Watch Turns 40 | aBlogtoWatch
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A tribute to a watchmaking revolution. The 50th anniversary of the Seiko Quartz Astron is celebrated in a limited edition GPS Solar watch - Watch I Love