Early Races had been mainly timed by stopwatches mounted to car dashboards, but as being the complication was shrunk, they ended up more generally observed on wrists, specifically in the F1 and endurance racing heyday among the ’50s and ’70s. The Speedmaster gets all of the enjoy in Omega’s chronograph https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/