One Of several chronograph’s earliest utilizes was timing horse races, so Normally, the complication evolved when horses manufactured way for horsepower. Declaring the winner of your race to develop the main computerized chronograph in 1969 is contentious small business, so Zenith’s “El Primero” moniker is arguable. That’s the title of https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/