Early Races were typically timed by stopwatches mounted to vehicle dashboards, but because the complication was shrunk, they had been additional usually seen on wrists, particularly in the F1 and endurance racing heyday in between the ’50s and ’70s. The Speedmaster gets each of the enjoy in Omega’s chronograph lineup, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/