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You are here: Home / Families / Suwa Seikosha 03 Quartz Stream

Suwa Seikosha 03 Quartz Stream

Last Update: December 10, 2020

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BRANDS: Seiko, Suwa Seikosha

Production: 1972 – 1973
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s
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Cal. 03 was an early quartz movement produced by Suwa Seikosha for high-end ladies and mens watches from Seiko. It was the first quartz movement small enough for use in ladies watches when it was introduced in 1972 but production was extremely limited and lasted less than a year.

Seiko was raced to develop a quartz watch movement in the 1960s, and delivered their first Cal. 35 movement to the Neuchatel Observatory in late 1967, just a few months after the CEH delivered their “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 Cal. 03, which was a compact movement designed for high-end ladies and mens watches. Marketed as Cal. 03SQ, it was a simple time-only movement. No other version of this movement was produced, and it is said that as few as 90 examples were made before production stopped in 1973. The watches using this movement were cased in 18K gold and sold for over JPY800,000 in 1972, limited to just a few retail outlets.

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