Early Races ended up generally timed by stopwatches mounted to car dashboards, but as the complication was shrunk, they were being more generally seen on wrists, specifically in the F1 and endurance racing heyday amongst the ’50s and ’70s. Chronographs — with their bezels, scales and sub-dials — tend to https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/