Casio BP-300] from 1993 (circa). Found this one and i was wondering about his value / rarity, can you help me? I was searching on internet and couldnt find anything decisive. : r/Watches
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Jt Jones on Twitter: "This is the casio BP- 400, released in 1991 it could measure heart rate and blood pressure. Yes 1991. Casio has made some of the weirdest yet functional
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