Oris Has received enthusiast acclaim for its accessibly-priced mechanical Device watches, but its lesser-known Artelier is a handsome, dressy piece having a great deal to supply. Declaring the winner on the race to develop the main computerized chronograph in 1969 is contentious enterprise, so Zenith’s “El Primero” moniker is arguable. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/