It's a sublime implementation of a vintage complication – beside the world timer, it continue to has each of the logos of Voutilainen, highlighted by that wonderful guilloche dial. When your Omega has the text 'Learn Chronometer' about the dial—as is observed while in the Seamaster Diver 300M—you could be https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/