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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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Programmable Scientific Calculator Watch | Hackaday
Vintage 1983 Casio 197 Cfx-200 Scientific Calculator Watch Works Great | Acquisti Online su eBay
Hands-On: Yes, You Can Still Buy A Casio Calculator Watch - Hodinkee
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Vintage 1983 Casio 197 Cfx-200 Scientific Calculator Watch Works Great | Acquisti Online su eBay
Hands-On: Yes, You Can Still Buy A Casio Calculator Watch - Hodinkee
Calculator watch - Wikipedia
Vintage 1983 Casio 197 Cfx-200 Scientific Calculator Watch Works Great | Acquisti Online su eBay
