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1881
Kintaro Hattori established K. Hattori & Co., Ltd. (presently Seiko Holdings Corporation), a watch and clock retail store. |
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1892
K. Hattori & Co., Ltd. established Seikosha Co., Ltd. (presently Seiko Clock Inc. and Seiko Precision Inc.) and
began production of clocks. |
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1937
Daini Seikosha Co., Ltd. (presently SII) was established as the watch manufacturer for the SEIKO Group. |
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1964
Reflecting its rapid progress in enhancing the accuracy and reliability of timekeeping instruments, SEIKO products
were selected as the official timekeeping instruments for the Tokyo Olympics. |
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1967
SEIKO products captured all higher awards in the wrist chronometer class of the Observatoire Cantonal de Neuchatel contest held in Switzerland. |
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1969
The SEIKO Group introduced the world's first quartz watch. |
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1970
The Company launched its product diversification activities. |
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1983
Daini Seikosha Co., Ltd. officially changed company name to Seiko Instruments & Electronics Ltd. |
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1985
Completed the world's top automated assembly system for multipurpose, small-lot production of outer watch parts. |
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1987
Seiko Instruments & Electronics Ltd. officially renamed Seiko Instruments Inc. |
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1988
Completed the world's first automated assembling system for multipurpose, small-lot production of watch movements. |
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1990
New corporate brand name  adopted as official acronym of Seiko Instruments Inc. |
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1992
SII Group eliminated use of chlorofluorocarbons.
SEIKO products were selected as the official timekeeping instruments for the Barcelona Olympics. |
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1993
Completed the SII Makuhari Building and transferred head office, sales, and development operations to the new building. |
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1994
SEIKO products were selected as the official timekeeping instruments for the Lillehammer Olympics. |
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1997
Sun Street retail complex opened in Kameido, Tokyo. |
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1998
SEIKO products were selected as the official timekeeping instruments for the Nagano Olympics. |
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2002
SEIKO products were selected as the official timekeeping instruments for the Salt Lake City Olympics. |
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2004
Seiko Instruments Inc.officially changed its company Japanese name. |
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2004
Opened Shizukuishi Watch Studio,Japan's only fully-integrated production system for mechanical wristwatches. |
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2005
Developed mercury-free and lead -free silver oxide batteries. |
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2006
Developed the 12 beat movement, providing the world's highest accuracy for mechanical watches. |
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2009
Became a wholly-owned subsidiary of Seiko Holdings Corporation. |
