Seikosha Co., Ltd. (精工舎) was a branch of the Japanese company Seiko that produced clocks, watches, shutters, computer printers and other devices.It was the root of the manufacturing companies of the Seiko Group.
History
1881 — Kintarō Hattori opens the watch and jewelry shop "K. Hattori" (Hattori Tokeiten in Japanese; currently named Seiko Group Corporation) in the Ginza area of Tokyo, Japan.[1]
1892 — Seikosha (精工舎) is established in Tokyo as the clock manufacturing arm of K. Hattori.
1917 — K. Hattori becomes a company (K. Hattori & Co., Ltd.).
1937 — The watch production division of Seikosha is split off as Daini Seikosha Co., Ltd. (第二精工舎).
1942 — Daiwa Kogyo, Ltd. is founded in Suwa, Nagano by Hisao Yamazaki.
1943 — Daini Seikosha establishes a factory in Suwa for manufacturing watches with Daiwa Kogyo.
1959 — Daiwa Kogyo and the Suwa Plant of Daini Seikosha merge to form Suwa Seikosha Co., Ltd. (諏訪精工舎)
1961 — Shinshu Seiki Co., Ltd. is established as a subsidiary of Suwa Seikosha.
1970 — Seikosha is split off from K. Hattori & Co., Ltd., and Seikosha Co., Ltd. is incorporated.
1982 — K. Hattori & Co., Ltd. is renamed Hattori Seiko Co., Ltd.
1982 — Shinshu Seiki is renamed Epson Corporation.
