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 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> | ||
[[Category:Components%2C_circuits%2C_devices_%26_systems]] | |||
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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.
