Early Races were mostly timed by stopwatches mounted to automobile dashboards, but since the complication was shrunk, they were a lot more often noticed on wrists, specifically in the F1 and endurance racing heyday among the ’50s and ’70s. Though black-coated instances often seem smaller on the wrist than typical https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/