It can be an elegant implementation of the vintage complication – beside the world timer, it even now has every one of the logos of Voutilainen, highlighted by that lovely guilloche dial. Should your Omega has the text 'Master Chronometer' about the dial—as is seen from the Seamaster Diver 300M—you https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/