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  2. Seiko - Wikipedia

    en.wikipedia.org/wiki/Seiko

    In 1975, Seiko launched the world's first multi-function digital watch, the 0634. In 1978, Seiko released the Twin Quartz watch to address the effect t of temperature on the frequency of the quartz crystal oscillator, which put a limitation on the accuracy of quartz watches.

  3. Pulsar (watch) - Wikipedia

    en.wikipedia.org/wiki/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 movemen

  4. Smartwatch - Wikipedia

    en.wikipedia.org/wiki/Smartwatch

    The first digital watch was the Pulsar, introduced by the Hamilton Watch Company in 1972. The "Pulsar" became a brand name, and would later be acquired by Seiko in 1978. In 1982, a Pulsar watch (NL C01) was released which could store 24 digits, likely making it the first watch with user-programmable memory, or the first "memorybank" watch.

  5. Seiko Group - Wikipedia

    en.wikipedia.org/wiki/Seiko_Group

    Seiko, SII and Epson logos. Three companies share "Seiko" in their official names but have different corporate visual identities.. Seiko Group (セイコー・グループ, Seikō Gurūpu) was a Japanese corporate group consisting of three core companies Seiko Holdings Corp. (Seiko; f/k/a K. Hattori & Co., Hattori Seiko), Seiko Instruments Inc. (SII; f/k/a Daini Seikosha, Seiko Instruments ...

  6. Quartz crisis - Wikipedia

    en.wikipedia.org/wiki/Quartz_crisis

    Quartz movement of the Seiko Astron, 1969. The quartz crisis (Swiss) or quartz revolution (America, 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.

  7. List of watch manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_watch_manufacturers

    Samsung Galaxy Watch; Sandoz watches; Schwarz Etienne; Sea-Gull; Sector; Seiko; Seiko Epson; Seiko Instruments; Seikosha; Sekonda; Shinola Detroit; Sinn; SSIH ...

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