Astron (wristwatch)
The Astron wristwatch, formally known as the Seiko Quartz-Astron 35SQ, was the world's first "quartz clock" wristwatch, i.e., one based on a quartz crystal oscillator. It is now registered on the List of IEEE Milestones as a key advance in electrical engineering.
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Astron (wristwatch)
The Astron wristwatch, formally known as the Seiko Quartz-Astron 35SQ, was the world's first "quartz clock" wristwatch, i.e., one based on a quartz crystal oscillator. It is now registered on the List of IEEE Milestones as a key advance in electrical engineering.
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La montre Seiko Quartz Astron- ...... majeure en génie électronique.
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The Astron wristwatch, formall ...... month, or one minute per year.
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Seiko Quartz-Astron 35SQ
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La montre Seiko Quartz Astron- ...... majeure en génie électronique.
@fr
The Astron wristwatch, formall ...... nce in electrical engineering.
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Astron (wristwatch)
@en
Seiko Astron
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