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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.
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 .
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 ...
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'.
In 1896 Ingersoll introduced a watch called the Yankee, setting its price at $1. This made it the cheapest watch available at the time, and the first watch to be priced at one dollar; the "dollar watch" was born. It was cheaply mass-produced from stamped parts and without jewels so it would be affordable to everyone. [1]
The Gruen Watch Company was formerly one of the largest watch manufacturers in the United States. It was in business from about 1894 to 1958 and was based in Cincinnati , Ohio . It was founded in 1894 by German-born watchmaker Dietrich Grün, who changed the spelling of his name to "Gruen" because the letter ü does not exist in English.
The commercial introduction of the quartz watch in 1969 in the form of the Seiko Astron 35SQ and in 1970 in the form of the Omega Beta 21 was a revolutionary improvement in watch technology. In place of a balance wheel which oscillated at perhaps 5 or 6 beats per second, these devices used a quartz-crystal resonator which vibrated at 8,192 Hz ...
Slow watch Roger W. Smith SMH (short for Société de Microélectronique et d'Horlogerie previous name of the company issued from the merger of ASUAG & SSIH, now Swatch Group)
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