Among The list of chronograph’s earliest employs was timing horse races, so The natural way, the complication developed when horses designed way for horsepower. Declaring the winner from the race to build the 1st automatic chronograph in 1969 is contentious business enterprise, so Zenith’s “El Primero” moniker is arguable. That’s https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/