Gyropan Diffusion S.A., Cheseaux “Chronocardiomètre”

European Watch Clock and Jewellery Fair 1980 BF 354
Hours, minutes, seconds, date - plus your pulse rate instantly displayed by means of a built-in minicomputer. Along with a chronograph to 1/100th second (plus split and lap times). Ideal for sportsmen and businessmen conscious of the importance of a healthy heart condition. (GYROPAN Diffusion S.A., Cheseaux “Chronocardiometer”)