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  2. Astron (wristwatch) - Wikipedia

    en.wikipedia.org/wiki/Astron_(wristwatch)

    Within one week 100 gold watches had been sold, at a retail price of 450,000 yen (US$1,250 (equivalent to $10,386 in 2023)) each (at the time, equivalent to the price of a medium-sized car). [1] Essential elements included a XY-type quartz oscillator of 8192 Hz (8192 = 2 13 ), a hybrid integrated circuit , and a phase locked ultra-small ...

  3. 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.

  4. Epson - Wikipedia

    en.wikipedia.org/wiki/Epson

    The company has developed many timepiece technologies, such as the world's first portable quartz timer (Seiko QC-951) in 1963, the world's first quartz watch (Seiko Quartz Astron 35SQ) in 1969, the first automatic power-generating quartz watch (Seiko Auto-Quartz) in 1988, and the Spring Drive watch movement in 1999.

  5. Seikosha - Wikipedia

    en.wikipedia.org/wiki/Seikosha

    Seiko Quartz Astron 35SQ, the world's first commercial quartz watch developed by Suwa Seikosha. 1881 — Kintarō Hattori opens the watch and jewelry shop "K. Hattori" (Hattori Tokeiten in Japanese; currently named Seiko Holdings Corporation) in the Ginza area of Tokyo, Japan.

  6. Seiko Instruments - Wikipedia

    en.wikipedia.org/wiki/Seiko_Instruments

    In 1937, Daini Seikosha Co., Ltd. (第二精工舎, Dai-ni-seikōsha), literally the second workshop for manufacturing Seiko timepieces, was established in Kamedo, Kōtō, Tokyo as a spin-off of the watch manufacturing division from Seikosha (精工舎, Seikōsha), so had been making the Seiko watches until 2020. The company changed its name to ...

  7. Oris - Wikipedia

    en.wikipedia.org/wiki/Oris

    On 25 December 1969, Seiko unveiled the Astron, the world's first quartz watch, which marked the beginning of the quartz revolution. [21] The first Swiss quartz analog watch – the Ebauches SA Beta 21 – arrived at the 1970 Basel Fair. [22] The Beta 21 was released by numerous manufacturers including the Omega Electroquartz.