Early Races ended up generally timed by stopwatches mounted to vehicle dashboards, but as being the complication was shrunk, they were extra frequently found on wrists, especially in the F1 and endurance racing heyday in between the ’50s and ’70s. 1844: Adolphe Nicole introduces the reset element, permitting distinct periods https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/