It can be an elegant implementation of the vintage complication – beside the world timer, it nonetheless has all the trademarks of Voutilainen, highlighted by that lovely guilloche dial. So When your Omega has the text ‘Learn Chronometer’ to the dial—as is found Within this signature Omega Seamaster Diver 300M https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/