The Precision of a Rolex Superlative Chronometer is of your order of −two/+two seconds on a daily basis – the speed deviation tolerated because of the brand for a finished look at is drastically scaled-down than that recognized by COSC for Formal certification of your movement by itself. The Superlative https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
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