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Seiko Time Systems Inc. is engaged in the integrated manufacturing, planning, development, sales, and after-sales services of its products, ranging from system clocks that are widely used in public places, such as schools and hospitals, marionette clocks, and technical clocks, such as those for broadcasting stations to sports timing devices that are accurate to within 10 thousandth of a second, data processing computer systems, and all types of large-sized displays. We are actively providing timing system support to a variety of sporting events on the strength of Seiko's abundant experience and advanced technologies that have been cultivated over the years at such international sporting events as IAAF World Championships in Athletics.

Established 1970
Capital 60,000,000 yen
Head Office
2-4-3 Fukuzumi, Koto-ku
Tokyo 135-8610, Japan
TEL: (+81)3-5646-1601 FAX: (+81)3-5646-1602
E-mail F
President Hiroyuki OUCHI
Director Shogo SUMIDA
Director Ryozo SUENAGA
Director Kazuo YAMAMURA
Director Akio NAITO
Director Hiromi KANAGAWA
Auditor Seiich MIKAMI
Auditor Hideo HATTORI
1966 Established under the name of "Gokoh" as a sales agent for system clocks produced by Hattori Seiko Co. ,Ltd.
1970 Reorganized into a joint-stock corporation.
1990 With business expansion, the company was renamed Seiko CST.
1993 Became a subsidiary wholly owned by Seiko Corporation.
1998 Granted the right to sell system clocks and sports timing equipments in Japan and overseas by Seiko Corporation, and renamed Seiko Time Systems Inc.
2005 Granted the right to manufacture system clocks and sports timing equipment by Seiko Precision Inc.
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SEIKO TIME SYSTEMS INC. has been certified according to ISO 9001* and 14001.
*ISO 9001: Engineering, Product Planning, Sales Division
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Seiko Holdings Corporation SEIKO TIME SYSTEMS INC.