Early Races were being mainly timed by stopwatches mounted to car or truck dashboards, but as the complication was shrunk, they ended up a lot more usually viewed on wrists, especially in the F1 and endurance racing heyday concerning the ’50s and ’70s. Chronographs — with their bezels, scales and https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/