Brochure: Seiko Quartz Astron - World's First Quartz Watch — Plus9Time
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A look at the new $36,000 1969 Seiko Astron | Esquire Middle East – The Region's Best Men's Magazine
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The 1969 Quartz Astron 50th Anniversary Limited Edition | Astron | Seiko Watch Corporation
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Seiko Quartz Wristwatch | Smithsonian Institution
