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Quartz Watch

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(New page: '''''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 deve...)
 
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'''''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>
 
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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[[Category:Components%2C_circuits%2C_devices_%26_systems]]
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[[Category:Measurement]]
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[[Category:Time_measurement]]

Revision as of 16:06, 5 January 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.