Early Races had been mainly timed by stopwatches mounted to car dashboards, but given that the complication was shrunk, they have been more typically observed on wrists, particularly in the F1 and endurance racing heyday in between the ’50s and ’70s. Complication: Refers to any check out movement over and https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/