Noson Tokei Seisakujo, the forerunner of RHYTHM WATCH CO., LTD. established.
RHYTHM WATCH CO., LTD. established. Head Office: Minato-ku, Tokyo Factory: Showa-machi, Kitakatsushika-gun, Saitama.
Released Japan's first domestically-produced plastic-frame clock.
RHYTHM WATCH CO., LTD. concluded technical, sales, and capital tie-ups with Citizen Watch Co., Ltd. and Citizen Trading Co., Ltd.
The headquarters was relocated to Ueno, Taito-ku, Tokyo.
RHYTHM WATCH CO., LTD. listed in the Second Section of the Tokyo Stock Exchange.
Mashiko Factory built.
The Zero Defect (ZD) campaign introduced.
RHYTHM WATCH CO., LTD. entered into an agreement with Citizen Watch Co., Ltd.for the mutual use of brand names.
Aizu Factory (currently TOHOKU RHYTHM WATCH CO., LTD.,) built.
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.
RHYTHM WATCH CO., LTD. developed the world's first 4-MHz class crystal clock movement.
The consumer service section established.
RHYTHM KOKI CO., LTD. (currently TOHOKU RHYTHM CO., LTD.) established.
RHYTHM SERVICE CO., LTD. established.
Won TQC Deming Application Award.
Started sales of CCD cameras.
RHYTHM U.S.A., INC. established in the U.S.
RHYWACO (H. K.) CO., LTD. established in Hong Kong.
RHYTHM INDUSTRIAL (H. K.) LTD. established in Hong Kong.
China factory went online.
Headquarters was relocated to Sumida-ku, Tokyo.
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").
Headquarters was relocated to Omiya-ku in Saitama-shi.
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".
Received first-ever green procurement compliance certification for a clock product.
RHYTHM INDUSTRIAL (DONG GUAN) LTD. established.
KYOSHIN KOGYO CO., LTD. acquired(currently RHYTHM KYOSHIN CO., LTD)
RHYTHM KYOSHIN HANOI CO.,LTD. established.
PT UMEDA KOGYO INDONESIA acquired.