Seiko Group Corporation (セイコーグループ株式会社, Seikō Gurūpu kabushiki gaisha), commonly known as Seiko ( SAY-koh, Japanese: [seːkoː]), is a Japanese maker of watches, clocks, electronic devices, semiconductors, jewelry, and optical products. Founded in 1881 by Kintarō Hattori in Tokyo, Seiko introduced the world's first commercial quartz wristwatch in 1969. Seiko is widely known for its wristwatches. Seiko, Citizen and Rolex are the only three watch companies considered to be vertically integrated.
https://en.wikipedia.org/wiki/Seiko
Seiko Group Corporation (セイコーグループ株式会社, Seikō Gurūpu kabushiki gaisha), commonly known as Seiko ( SAY-koh, Japanese: [seːkoː]), is a Japanese maker of watches, clocks, electronic devices, semiconductors, jewelry, and optical products. Founded in 1881 by Kintarō Hattori in Tokyo, Seiko introduced the world's first commercial quartz wristwatch in 1969. Seiko is widely known for its wristwatches. Seiko, Citizen and Rolex are the only three watch companies considered to be vertically integrated.
