The COSC (Official Swiss Chronometer Testing Institute) was the only agency whose certification for precision was considered the pinnacle of timekeeping accuracy and it is the COSC which could grant the use of the word “chronometer” on a watch dial in Switzerland. Omega, which has a range of COSC certified models, has stepped up its game for precision with the creation of the Master Chronometer Certification. In partnership with METAS (Swiss Federal Institute of Metrology), Omega has developed a new benchmark that its watches have to endure.


The test which consists of eight Chronometer tests over 10 days, must pass real-life wearing conditions like water, temperature fluctuations, and magnetic fields up to 15,000 gausses, to name a few. While the COSC remains an integral part of the brand’s process, the new test doubles the watch’s reliability. For customers, this means the precision lasts longer. Each individual watch will contain specific results as well as the testing parameters the watch has endured.




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