Early Races ended up mainly timed by stopwatches mounted to motor vehicle dashboards, but as the complication was shrunk, they ended up additional usually viewed on wrists, particularly in the F1 and endurance racing heyday between the ’50s and ’70s. The Speedmaster receives all of the love in Omega’s chronograph https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/