I think the inscription « Gradué pour 30 pulsations » has to fill a lot of empty space and imaginary wise the tachometer conveys a more sporty idea of speed, whereas the pulsometer conveys the idea of health. And even if I know it’s very personal, I prefer to think of the chronograph complication as a sporty one rather than a medical one… Reason why I think my favorite version of the CdV remains the one I have the chance to own: the rose gold one…