Among The chronograph’s earliest works by using was timing horse races, so In a natural way, the complication evolved when horses designed way for horsepower. Declaring the winner with the race to build the first computerized chronograph in 1969 is contentious enterprise, so Zenith’s “El Primero” moniker is arguable. That’s https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/