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seiko_41 [11.10.2021 21:09]
127.0.0.1 external edit
seiko_41 [06.12.2021 21:33]
gerdlothar
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 ===== History ===== ===== History =====
-[[Seiko]] was raced to develop a [[quartz watch]] movement in the 1960s, and delivered their first [[Seiko 35|Cal. 35]] movement to the [[Neuchatel Observatory]] in late [[1967]], just a few months after the [[CEH]] delivered their [[Beta 21|"Beta" quartz movement prototypes]]. A product of [[Suwa Seikosha]], Seiko offered Cal. 35 SQ for sale in the [[Seiko Astron]] watch on Christmas Day, [[1969]]. Suwa rival [[Daini Seikosha]] developed [[Cal. 36]] and launched it in [[1970]], but neither movement was truly produced in volume. Suwa's second quartz movement was [[Seiko 03|Cal. 03]], was the world's first quartz movement small enough for ladies watches but was also not produced in volume.+[[Seiko]] was raced to develop a [[quartz watch]] movement in the 1960s, and delivered their first [[Seiko 35|Cal. 35]] movement to the [[Neuchatel Observatory]] in late [[1967]], just a few months after the [[CEH]] delivered their [[Beta 21|"Beta" quartz movement prototypes]]. A product of [[Suwa Seikosha]], Seiko offered Cal. 35 SQ for sale in the [[Seiko Astron]] watch on Christmas Day, [[1969]]. Suwa rival [[Daini Seikosha]] developed [[Seiko 36|Cal. 36]] and launched it in [[1970]], but neither movement was truly produced in volume. Suwa's second quartz movement was [[Seiko 03|Cal. 03]], was the world's first quartz movement small enough for ladies watches but was also not produced in volume.
  
 In [[1974]], Suwa Seikosha released Cal. 41, a volume production quartz ladies watch movement. This was a modern movement designed similarly to the contemporary [[Seiko 38|Cal. 38]], also from Suwa. Cal. 41 was smaller overall, with a semi-tonneau shape that fit in narrow watches. It measured 19.4 mm diameter at the widest, and was 3.8 mm thick for the smallest examples, which lack a seconds hand. This gave Seiko bragging rights for producing "The World's Thinnest Quartz Watch" in [[1974]] advertisements. In [[1974]], Suwa Seikosha released Cal. 41, a volume production quartz ladies watch movement. This was a modern movement designed similarly to the contemporary [[Seiko 38|Cal. 38]], also from Suwa. Cal. 41 was smaller overall, with a semi-tonneau shape that fit in narrow watches. It measured 19.4 mm diameter at the widest, and was 3.8 mm thick for the smallest examples, which lack a seconds hand. This gave Seiko bragging rights for producing "The World's Thinnest Quartz Watch" in [[1974]] advertisements.
seiko_41.txt · Last modified: 06.12.2021 21:33 by gerdlothar

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