Casio BP 300 bought this watch but I can't find any info on it. Switch the band to make it look a bit more elegant. : r/casio
VINTAGE CASIO BP-300 BLOOD PRESSURE MONITOR TWIN SENSOR MADE IN JAPAN RARE | WatchCharts
rare Casio digital 1101 BP-300 hemadynamometer wristwatch stainless steel band body . function has confirmed blood pressure measurement possibility moving goods : Real Yahoo auction salling
Vintage Casio Bp-300 Blood Pressure Monitor Twin Sensor Made in Japan for sale online | eBay
OROLOGIO VINTAGE CASIO Bp-300 Twin Sensore Pressione Arteriosa Monitor Anni 80 EUR 101,16 - PicClick IT
MONITOR PRESSIONE SANGUE Casio Bp-300 Vintage Doppio Sensore Made In Japan Raro EUR 109,82 - PicClick IT