The Precision of a Rolex Superlative Chronometer is of the order of −2/+2 seconds on a daily basis – the rate deviation tolerated with the brand name for the completed look at is drastically smaller sized than that accepted by COSC for Formal certification in the movement on your own. https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
Chronometer watches Secrets
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