Down The road, Arnold’s chronometers would provide critical roles in famous voyages, given that the devices aided navigators compute their longitude. Declaring the winner from the race to create the 1st automatic chronograph in 1969 is contentious small business, so Zenith’s “El Primero” moniker is arguable. That’s the name with https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/