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In 1937, Daini Seikosha Co., Ltd. (第二精工舎, Dai-ni-seikōsha), literally the second workshop for manufacturing Seiko timepieces, was established in Kamedo, Kōtō, Tokyo as a spin-off of the watch manufacturing division from Seikosha (精工舎, Seikōsha), so had been making the Seiko watches until 2020. The company changed its name to ...
In 1988, Seiko invented the world's first wristwatch with an innovative mechanism called "Auto Quartz", in which a rotating oscillating weight rotates in response to the wearer's arm movements, generating electricity to power the quartz. This mechanism was developed with the aim of creating a quartz watch that does not require battery replacement.
Kintarō Hattori (服部 金太郎, November 21, 1860 – March 1, 1934) was a Japanese businessman and one of the first and most important Japanese watchmakers in history, as well as the founder of Seiko, one of the world's largest manufacturers of watches. [1] He was a permanent council member of the Japanese Red Cross. [2]