Early Races were mostly timed by stopwatches mounted to motor vehicle dashboards, but since the complication was shrunk, they were more typically viewed on wrists, especially in the F1 and endurance racing heyday amongst the ’50s and ’70s. Although black-coated conditions often search lesser over the wrist than regular kinds, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/