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Pulsar (watch) A modern analog Pulsar watch. Pulsar is a watch brand and currently a Seiko Watch Corporation of America (SCA) division. Pulsar was the world's first electronic digital watch. Current Pulsar watches are mostly analog and use the same movements in Seikos such as the 7T62 quartz chronograph movement. Pulsar quartz chronograph.
Seiko Group (セイコー・グループ, Seikō Gurūpu) is a Japanese corporate group consisting of three core companies Seiko Group Corp. (Seiko), Seiko Instruments Inc. (SII) and Seiko Epson Corp (Epson). The three companies are linked by a common thread of timepiece technology. Epson has established its own brand image and rarely uses 'Seiko'.
Seiko Group Corporation (セイコーグループ株式会社, Seikō Gurūpu kabushiki gaisha), commonly known as Seiko ( / ˈseɪkoʊ / 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 ...
Names in this list require an article about the watch brand or watchmaker This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources .
Founder of Seiko. 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.
Seiko Precision Inc. Seiko Clock Inc. Parent. Seiko. Seikosha (精工舎, Seikōsha) 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 .
Yema designed a new proprietary watch movement: the MBP 1000. Equipped with a bidirectional oscillating mass mounted on ball bearings, they allowed a fast reassembly and a power reserve of 40 hours. This resulted in a gain of efficiency but also precision, provided by a regulator whose balance beats at a frequency of 28,800 alternations per hour.
Analogue. Introduced. December 25, 1969. Quartz Movement of the Seiko Astron, 1969 (Deutsches Uhrenmuseum, Inv. Inv. 2010-006) The Astron wristwatch, formally known as the Seiko Quartz-Astron 35SQ, was the world's first "quartz clock" wristwatch. It is now registered on the List of IEEE Milestones as a key advance in electrical engineering .
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