Early Races had been mainly timed by stopwatches mounted to car or truck dashboards, but because the complication was shrunk, they have been much more frequently viewed on wrists, specifically in the F1 and endurance racing heyday in between the ’50s and ’70s. Chronographs — with their bezels, scales and https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/