A stopwatch is a precision watch used to measure very small fractions of time . Unlike conventional clocks that are used to measure the minutes and hours that govern everyday time, stopwatch is often used in sports competitions and in industry to keep track of shorter timeframes such as thousandths of a second . It is commonly used in certain board games that require participants to have a limited time to perform a role or even by the Guiness Record Book judges, in various cases. All this without forgetting that they are also within the marine environment. In this case, we would have to talk about the so-called marine chronometers that are identified because they are found on ships, because they have extreme precision and because their function is to carry out a fundamental mission: to determine the time with total accuracy. And it is that only in this way can it be possible to calculate what the exact geographical position of the boat in question would be. Typically, the stopwatch st...