Early Races ended up mostly timed by stopwatches mounted to auto dashboards, but since the complication was shrunk, they had been extra typically seen on wrists, particularly in the F1 and endurance racing heyday involving the ’50s and ’70s. Inspired by British pilot’s watches from your nineteen seventies, Hamilton’s Khaki https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/