Early Races ended up typically timed by stopwatches mounted to automobile dashboards, but as the complication was shrunk, they had been far more frequently witnessed on wrists, specifically in the F1 and endurance racing heyday involving the ’50s and ’70s. Chopard's Mille Miglia selection celebrates the world's most stunning race. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/