The digital stopwatch comes from the normal timing functions that have been used for some time. The stopwatch is by definition a watch that is designed to keep time accurately and with the utmost precision . A digital or analog chronometer that is, can be defined as such only if this model is approved by the COSC, the Controle Officiel Suisse des Chronométres , this organization based in Switzerland is the only one that can define this control, in fact there are also many watches that show this indication. During the check for digital and analog stopwatches, these are defined if the maximum error with which they occur is between -3 and +6 seconds per day, after fifteen days of operation . Digital or analog stopwatch which is the best? The digital stopwatch is more modern than the analogue stopwatch, despite this still today there are many who use the analogue stopwatch but which is the best? And what are the differences between these two? First of all, the analog chronometer w...