To adjust to the new e-Privateness directive, we need to ask to your consent to set the cookies. Find out more Should your Omega has the words and phrases 'Learn Chronometer' on the dial—as is witnessed inside the Seamaster Diver 300M—you'll be able to be confident that its timekeeping is https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/