In A while, Arnold’s chronometers would provide important roles in famous voyages, as being the devices served navigators determine their longitude. Declaring the winner with the race to construct the primary computerized chronograph in 1969 is contentious enterprise, so Zenith’s “El Primero” moniker is arguable. That’s the title of the https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/