To adjust to The brand new e-Privateness directive, we must inquire in your consent to set the cookies. Learn more Should your Omega has the phrases 'Grasp Chronometer' over the dial—as is found while in the Seamaster Diver 300M—you'll be able to be confident that its timekeeping is par excellence https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/