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Quartz Watch

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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.&nbsp; The idea was based on a discovery by Warren Marrison at Bell Labs in 1927, who developed the first quartz clock.<br>
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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.&nbsp; 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%2C_circuits%2C_devices_%26_systems]]
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[[Category:Components,_circuits,_devices_&_systems|Category:Components,_circuits,_devices_&amp;_systems]] [[Category:Measurement]] [[Category:Time_measurement]]
[[Category:Measurement]]
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[[Category:Time_measurement]]
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Revision as of 20:52, 2 February 2009

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.