Early Races were primarily timed by stopwatches mounted to automobile dashboards, but as being the complication was shrunk, they ended up extra usually found on wrists, particularly in the F1 and endurance racing heyday amongst the ’50s and ’70s. This was the results of intense R&D because of the Manufacture, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/