To adjust to the new e-Privateness directive, we have to inquire to your consent to established the cookies. Find out more If your Omega has the phrases 'Master Chronometer' on the dial—as is viewed within the Seamaster Diver 300M—you could be confident that its timekeeping is par excellence Thank you https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/