
What does metas certification mean?Īll Omega watches that are tested and pass the tests by METAS (The Federal Institute of Metrology) are awarded the master Chronometer Certification.

Its “Superlative Chronometer” label requires an average daily rate between -2 and + 2 seconds per day when cased, tested in seven static positions and on a rotating rack simulating real life wear, performed over a period of 24 hours. What is the meaning of superlative chronometer?


According to COSC, an official certified chronometer is a high precision watch capable of displaying the seconds and housing a movement that has been tested over several days, in different positions, and at different temperatures, by an official, neutral body (COSC).
