The Precision of the Rolex Superlative Chronometer is from the order of −2/+2 seconds a day – the rate deviation tolerated from the brand name for your finished look at is substantially more compact than that accepted by COSC for official certification in the motion by itself. The Superlative Chronometer https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
The Basic Principles Of Understanding The complex world of chronometers
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