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Seiko

Seiko Holdings Corporation (セイコーホールディングス株式会社 Seikō Hōrudingusu Kabushiki-gaisha?), more commonly known simply as Seiko (/ˈseɪkoʊ/ say-koh), is a Japanese company that manufactures and sells watches, clocks, electronic devices, semiconductors and optical products.

The company was founded in 1881, when Kintarō Hattori opened a watch and jewelry shop called "K. Hattori" (服部時計店 Hattori Tokeiten) in the Ginza area of Tokyo, Japan. Seiko is a Japanese word meaning "exquisite," "minute," or "success". Seiko is perhaps best known for its wristwatches, all of which were at one time produced entirely in-house. This includes not only major items such as microgears, motors, hands, crystal oscillators, batteries, sensors, LCDs but also minor items such as the oils used in lubricating the watches and the luminous compounds used on the hands and the dials. The fully integrated in-house production system is still practised for luxury watches in Japan.