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Saturday watch here, Casio made some great lines of timepieces, but the calculator watches are probably the most recognized, this one is the Casio CFX-400! Capable of normal timekeeping, it was a
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Casio Scientific Calculator watch CFX200 (1983), Men's Fashion, Watches & Accessories, Watches on Carousell
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Amazon.com: Casio General Men's Watches Data Bank CA-506-1UW - WW : Casio: Clothing, Shoes & Jewelry
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CASIO FX-200 SCIENTIFIC Calculator Watch Vintage Casio Watch Casio Calculator... EUR 264,03 - PicClick IT
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