Early Races were being mainly timed by stopwatches mounted to auto dashboards, but because the complication was shrunk, they were far more often noticed on wrists, particularly in the F1 and endurance racing heyday involving the ’50s and ’70s. Chronographs — with their bezels, scales and sub-dials — in many https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/