Seiko Instruments

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Seiko Instruments Inc.
Founded1937; 83 years ago (1937)
Tokyo, Japan
HeadquartersChiba, Chiba, Japan
Key people
Katsumi Yamamura, Chairman
Masafumi Shimbo, President
ProductsMicromechatronics devices, Network components, Information-related equipment and services, Printers, Scientific instruments, etc.
RevenueGreen Arrow Up.svg ¥190,800 million (nonconsolidated); ¥274,400 million (consolidated) (Fiscal year ended March 31, 2005)
Number of employees
2,796 (nonconsolidated); 14,841 (consolidated) as of February 28, 2006
ParentSeiko Holdings Corporation
WebsiteSII Home

Seiko Instruments Inc. (セイコーインスツル株式会社, Seikō Insutsuru Kabushiki-gaisha) (SII) is a Japanese company, which develops and commercializes semiconductor, micromechatronics, and precision timepiece technology. It is one of three core companies of the Seiko Group.

The company manufactures and sells electronic components (semiconductors, crystal oscillators, micromechatronics devices, thermal printer, coin battery, liquid crystal displays), precision parts, watches, analysis and measurement instruments, machine tools, printers, network items, information systems and services, IC dictionaries, etc. Headquartered in Makuhari business district, Mihama-ku, Chiba City, Chiba Prefecture, Japan.

In 1937 Daini Seikosha Co., Ltd. (第二精工舎, Dai-ni-seikōsha), literally the second workshop for manufacturing Seiko timepieces, was established in Kamedo, Kōtō, Tokyo as a spin-off of the watch manufacturing division from Seikosha (精工舎, Seikōsha), so is also making the Seiko watches even now. The company changed its name to Seiko Instruments & Electronics Ltd. (セイコー電子工業, Seikō Denshi Kōgyō) in 1983 and to the current name in 1997 (セイコーインスツルメンツ Seikō Insutsurumentsu in 1997; セイコーインスツル Seikō Insutsuru in 2004). Its Suwa Plant in Suwa, Nagano Prefecture spun off as Suwa Seikosha Co., Ltd. (諏訪精工舎, Suwa Seikōsha) in 1959 is now known as Seiko Epson (セイコーエプソン, Seikō Epuson).

Seiko delegates a large portion of the manufacturing in its watch business to SII and Epson. Most of watches manufactured by SII are sold through the Seiko Watch Corporation, a subsidiary of Seiko Holdings Corporation. In recent years Seiko Instruments has tried to establish its own marketing channel and brands - Sizukuishi Watch [1], Appetime, J.Springs, Issey Miyake, Tsumori Chisato, Alessi, Cacharel, and others.

On January 26, 2009, Seiko Instruments and Seiko Holdings announced that the two companies will be merged on October 1, 2009 through a share swap. Seiko Instruments became a wholly owned subsidiary of Seiko Holdings on October 1, 2009.

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