Quartz Crystal Business History

SII’s Quartz Crystal products manufactured in Japan and Singapore are used in a wide variety of consumer and industrial products, and are recognized globally for their high quality.

History

Apr. 1956	“Tochigi Koseki Kojo” was established in Hinode-cho, Tochigi City as a specialized factory manufacturing wristwatch bearing jewels.
Apr. 1962	New factory was built in Hirai-cho, Tochigi City.
Apr. 1963	New factory began to assemble mechanical watches.
Apr. 1968	Company name was officially changed to “Tochigi Koseki”
Oct. 1973	Received Minister of Labor Prize for Effort for improvement of labor health environment.
Apr. 1975	Started production of electronic circuit block for quartz wristwatches.
Apr. 1976	Started mass produciton of quartz crystal unit for quartz wristwatches.
Jul. 1980	Received Minister of Labor Progress Prize for workplace safety control.
Apr. 1985	Tochigi Koseki and Sendai Precision Materials Laboratory merged into Seiko Electronic Components Co., Ltd.
Oct. 1987	Asian Electronic Technology Pte. Ltd. (AET) was established in Singapore as an overseas facility for quartz crystal unit assembly.
Mar. 1992	Abolished the use of CFCs for global environmental protection.
Nov. 1994	Seiko Electronic Components Co., Ltd. was merged into Seiko Instruments & Electronics Ltd. (currently Seiko Instruments Inc.)
Mar. 1996	Obtained ISO9001.
Feb. 1998	Obtained ISO14001.
Mar. 2002	Obtained QS9000.
Oct. 2003	Received Tochigi Labor Department’s Director Bureau Prize for Encouragement for safety and health activities.
Feb. 2006	Received the Kanto Bureau of Economy, Trade and Industry’s Excellent Energy Conservation Factory, Director General Prize.
Mar. 2013	TS16949 Certified.
Apr. 2013	The Tochigi unit of SII crystal division is split as ” SII Crystal Technology Inc.”.
Oct. 2016	Received “Excellence Award” from the National THP Promotion Council.
Jan. 2017	From Tochigi Labor Bureau certified as a company promoting “good work good home” declaration.