Read more to find out what this entails and what type of accuracy you can then expect from both watchmakers. Omega hires another 3rd party lab called METAS and Rolex is of the opinion that if you want a job done right, do it yourself, and this means that they do this in-house as opposed to a 3rd part lab until they get the results that they want. Not happy with that standard, Rolex and Omega felt they could work on post-COSC certification precision.
#Cronometer reviews iso
Simply put, they are both required to be certified chronometers and go through the standard COSC ISO 3159 testing before any further tests are done. COSC testing involves only the watch movement/caliber itself, and for two consecutive weeks, the movements are tested at three different temperatures and five different positions.īy the time the movement received its chronometer designation, it had reached an accuracy of -4/+6 seconds per day. Let's look at how watches with these titles or designations are similar. What is a Superlative Chronometer? It is a combination of two pedigrees found only on Rolex watches, one by COSC and another by Rolex. It is currently only available on Omega watches and indicates that the watch has not only high precision but high standards on many important factors. What is a Master Chronometer? It is a combination of two pedigrees, one by COSC and another by another lab called METAS. It is a neutral third-party lab that gauges the precision of a watch to ensure they meet very high standards. What is COSC? It is the Official Swiss Chronometer Testing Institute and is an acronym for its French name Contrôle Officiel Suisse des Chronomètres.
Rather, it's a mechanical feature (or complication as it's called in watchmaking) that provides a stopwatch function to a watch. What is the difference between a chrono graph and a chronometer? A Chronograph is not a designation from COSC. ter, similar to the pronunciation of thermometer) It is a pedigree of sorts that is awarded to highly accurate mechanical watches and some quartz watches by a chronometric institute called COSC.But first, for those who need it, let's answer the most popular questions about this topic. With a benchmark like this, you can decide for yourself which is better.
Let's compare the Omega Master Chronometer VS Rolex Superlative Chronometer
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