To adjust to The brand new e-Privateness directive, we need to ask for your consent to established the cookies. Find out more If your Omega has the text 'Master Chronometer' around the dial—as is viewed in the Seamaster Diver 300M—you can be assured that its timekeeping is par excellence Amongst https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/