Quote:
Originally Posted by stooker
Correct me if I'm wrong, but aren't all Rolexes COSC?
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Since 2016, all Rolex watches are actually held to a higher standard than COSC, with -2/+2 second per day variability which they label "Superlative Chronometer".
https://www.ablogtowatch.com/rolex-e...n-house-tests/