Company History

1946
Noson Tokei Seisakujo, the forerunner of RHYTHM WATCH CO., LTD. established.
1950
RHYTHM WATCH CO., LTD. established. Head Office: Minato-ku, Tokyo Factory: Showa-machi, Kitakatsushika-gun, Saitama.
1951
Released Japan's first domestically-produced plastic-frame clock.
1953
RHYTHM WATCH CO., LTD. concluded technical, sales, and capital tie-ups with Citizen Watch Co., Ltd. and Citizen Trading Co., Ltd.
1955
The headquarters was relocated to Ueno, Taito-ku, Tokyo.
1963
RHYTHM WATCH CO., LTD. listed in the Second Section of the Tokyo Stock Exchange.
1965
Mashiko Factory built.
1966
The Zero Defect (ZD) campaign introduced.
1969
RHYTHM WATCH CO., LTD. entered into an agreement with Citizen Watch Co., Ltd.for the mutual use of brand names.
1970
Aizu Factory (currently TOHOKU RHYTHM WATCH CO., LTD.,) built.
1972
RHYTHM WATCH CO., LTD. transferred to the First Section of the Tokyo Stock Exchange.
Became world's number-one manufacturer in clock production volume.
Released quartz clock.
1973
RHYTHM WATCH CO., LTD. developed the world's first 4-MHz class crystal clock movement.
1976
The consumer service section established.
1977
RHYTHM KOKI CO., LTD. (currently TOHOKU RHYTHM CO., LTD.) established.
1978
RHYTHM SERVICE CO., LTD. established.
1982
Won TQC Deming Application Award.
1988
Started sales of CCD cameras.
1989
RHYTHM U.S.A., INC. established in the U.S.
1990
RHYWACO (H. K.) CO., LTD. established in Hong Kong.
1992
RHYTHM INDUSTRIAL (H. K.) LTD. established in Hong Kong.
China factory went online.
1997
Headquarters was relocated to Sumida-ku, Tokyo.
2000
Donated clocks to a children's facility in Saitama Prefecture in commemoration of RHYTHM WATCH's 50th anniversary of its founding (similar activities conducted annually since then under the name "Time Commemoration Day").
2003
Headquarters was relocated to Omiya-ku in Saitama-shi.
2005
Integrated factories in China and established a new subsidiary. Operations have commenced. RHYTHM PRECISION VIETNAM CO., LTD. (currently a consolidated subsidiary)established in Vietnam.
Released first-ever clock to bear the "Eco Mark".
2010
Received first-ever green procurement compliance certification for a clock product.
2011
RHYTHM INDUSTRIAL (DONG GUAN) LTD. established.
KYOSHIN KOGYO CO., LTD. acquired(currently RHYTHM KYOSHIN CO., LTD)
2012
RHYTHM KYOSHIN HANOI CO.,LTD. established.
2013
PT UMEDA KOGYO INDONESIA acquired.

Business Philosophy

  • Business Philosophy

Business Report

  • Summary of the fiscal year ending March 2011
  • Clock Division
  • Electronics Division
  • Precision Division
  • Connected Terminal Division
  • Fiscal Section
  • Fiscal Section

Our Corporate Governance Position

  • Our Corporate Governance Position

Company Profile

  • Company Profile
  • Board of Directors/Auditors
  • Major Shareholder
  • Company History
  • Affiliated Company

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