History

Here we present some of Seiko's key moments and accomplishments to date in the business fields of sports and facilities.

1881	Kintaro Hattori establishes the K. Hattori (watch and clock retail and repair store).
1964	Seiko serves as official timer of the Tokyo Olympics.
1966	Goko is established as a system clock sales agency of K. Hattori & Co., Ltd. (now Seiko Group Corporation).
1970	Reorganizes as a corporation.
1982	The Yukku-Rhythm Pendulum Clock in the Shinjuku NS Building is certified by Guinness World Records.
1984	Renames to Goko Time System Co., Ltd. Completion of the Mullion Clock, Japan's first large-scale marionette clock.
1987	Seiko serves as official timer of the 2nd World Championships in Athletics (Rome) and continues to serve as official timer thereafter.
1990	Changes its name to Seiko System Clock and Sports Timing Inc.
1993	Becomes a wholly-owned subsidiary of Hattori Seiko Co., Ltd. (now Seiko Group Corporation).
1997	Acquires the system clock business from Hattori Seiko Co., Ltd.
1998	Acquires the sports timing and measurement system business from Seiko Corporation (now Seiko Group Corporation) and is renamed to Seiko Time Systems Co., Ltd.
2005	Acquires the manufacturing and maintenance departments of the system clock and sports timing and measurement system business from Seiko Precision Inc. Opens the Narashino branch office in Chiba Prefecture. Moves headquarters to Koto-ku, Tokyo. Launching of the Time Link Pro wireless master/secondary clock system.
2006	The Quartz Bell Timer QBT-30 receives the Good Design award.
2007	Seiko serves as official timer of the 1st Tokyo Marathon and continues to serve as official timer thereafter.
2012	As part of the the restoration of Tokyo Station, Seiko undertakes construction of the tower clock.
2014	Acquires the timing support business from Seiko Holdings Corporation (now Seiko Group Corporation).
2015	Moves the manufacturing base from Narashino branch office (Chiba Prefecture) to Takatsuka office (Matsudo City, Chiba Prefecture).
2017	Acquires the Factory Automation business from Seiko Precision Inc.
2020	Installation of the Nihonbashi Muromachi Steam Aerophone Clock in COREDO Muromachi Terrace.
2021	Seiko Time Systems Inc. and Seiko Clock Inc. are merged to form Seiko Time Creation Inc.
2024	Transfers the Factory Automation business to Seiko Future Creation Inc. Launching the multifunctional master clock QCN-1000.
2025	Transfers the clock sales business to Seiko Watch Corporation.