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
| 1956 April | "Tochigi Koseki Kojo" was established in Hinode-cho, Tochigi City as a specialized factory manufacturing wristwatch bearing jewels. |
| 1962 April | New factory was built in Hirai-cho, Tochigi City. |
| 1963 April | New factory began to assemble mechanical watches. |
| 1968 April | Company name was officially changed to "Tochigi Koseki" |
| 1973 October | Received Minister of Labor Prize for Effort for improvement of labor health environment. |
| 1975 April | Started production of electronic circuit block for quartz wristwatches. |
| 1976 April | Started mass produciton of quartz crystal unit for quartz wristwatches. |
| 1980 July | Received Minister of Labor Progress Prize for workplace safety control. |
| 1985 April | Tochigi Koseki and Sendai Precision Materials Laboratory merged into
Seiko Electronic Components Co., Ltd. |
| 1987 October | Asian Electronic Technology Pte. Ltd. (AET) was established in Singapore as an overseas facility for quartz crystal unit assembly. |
| 1992 March | Abolished the use of CFCs for global environmental protection. |
| 1994 November | Seiko Electronic Components Co., Ltd. was merged into
Seiko Instruments & Electronics Ltd. (currently Seiko Instruments Inc.) |
| 1996 March | Obtained ISO9001. |
| 1998 February | Obtained ISO14001. |
| 2002 March | Obtained QS9000. |
| 2003 October | Received Tochigi Labor Department's Director Bureau Prize for Encouragement for safety and health activities. |
| 2006 February | Received the Kanto Bureau of Economy, Trade and Industry's Excellent Energy Conservation Factory, Director General Prize. |
