One Of the chronograph’s earliest employs was timing horse races, so The natural way, the complication developed when horses manufactured way for horsepower. Declaring the winner with the race to construct the initial automated chronograph in 1969 is contentious small business, so Zenith’s “El Primero” moniker is arguable. That’s the https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/