Early Races had been primarily timed by stopwatches mounted to motor vehicle dashboards, but as the complication was shrunk, they were more generally witnessed on wrists, especially in the F1 and endurance racing heyday among the ’50s and ’70s. Complication: Refers to any look at motion past the simple monitoring https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/