Early Races had been largely timed by stopwatches mounted to automobile dashboards, but as being the complication was shrunk, they had been more frequently viewed on wrists, specifically in the F1 and endurance racing heyday amongst the ’50s and ’70s. Impressed by British pilot’s watches within the 1970s, Hamilton’s Khaki https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/