What is the name of Rolex's in-house certification for precision and reliability?
COSC
Poinçon de Genève
Superlative Chronometer
Swiss Made
Answer
Rolex's in-house certification, the Superlative Chronometer, ensures that their watches meet strict standards for precision and reliability. This certification goes beyond the industry-standard COSC certification and includes tests for power reserve, accuracy, and water resistance.
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