Quartz Watch: Difference between revisions
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'''''This article is a stub. You can help the GHN by expanding it.'''''<br> | '''''This article is a stub. You can help the GHN by expanding it.'''''<br> | ||
Seiko Corporation began developing quartz time-keeping devices in the late 1950s. By 1967, the company had developed a wristwatch prototype, and began marketing the 35SQ Astron, the first commercial quartz wristwatch, in 1969. The idea was based on a discovery by Warren Marrison at Bell Labs in 1927, who developed the first quartz clock.<br> | Seiko Corporation began developing [[Milestones:Electronic Quartz Wristwatch, 1969|quartz time-keeping devices]] in the late 1950s. By 1967, the company had developed a wristwatch prototype, and began marketing the 35SQ Astron, the first commercial quartz wristwatch, in 1969. The idea was based on a discovery by Warren Marrison at [[Bell Labs|Bell Labs]] in 1927, who developed the first quartz clock.<br> | ||
[[Category:Components | [[Category:Components,_circuits,_devices_&_systems]] | ||
[[Category:Measurement]] | [[Category:Measurement]] | ||
[[Category:Time_measurement]] | [[Category:Time_measurement]] | ||
Revision as of 21:22, 13 February 2012
This article is a stub. You can help the GHN by expanding it.
Seiko Corporation began developing quartz time-keeping devices in the late 1950s. By 1967, the company had developed a wristwatch prototype, and began marketing the 35SQ Astron, the first commercial quartz wristwatch, in 1969. The idea was based on a discovery by Warren Marrison at Bell Labs in 1927, who developed the first quartz clock.
