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Quartz movement of the Seiko Astron, 1969. The quartz crisis (Swiss) or quartz revolution (American, Japan and other countries) was the advancement in the watchmaking industry caused by the advent of quartz watches in the 1970s and early 1980s, that largely replaced mechanical watches around the world. [ 1][ 2] It caused a significant decline ...
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 .
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 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 ...
Swatch is a Swiss watchmaker founded in 1983 by Ernst Thomke, Elmar Mock, and Jacques Müller. It is a subsidiary of The Swatch Group.The Swatch product line was developed as a response to the "quartz crisis" of the 1970s and 1980s, in which inexpensive, battery-powered, quartz-regulated watches were competing against more established European watchmakers focused on artisanal craftsmanship ...
TAG Heuer S.A., founded Heuer AG[ a] ( / ˌtæɡ ˈhɔɪ.ər / TAG HOY-ər) is a Swiss luxury watchmaker. Founded in 1860 by Edouard Heuer in St-Imier, Switzerland, it was acquired by Techniques d'Avant Garde in 1985, which purchased a majority stake in the company, forming TAG Heuer. [ 1]
Developing quartz clocks for the consumer market took place during the 1960's. One of the first successes was a portable quartz clock called the Seiko Crystal Chronometer QC-951. This portable clock was used as a backup timer for marathon events in the 1964 Summer Olympics in Tokyo. [46]
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'.
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