The Precision of the Rolex Superlative Chronometer is from the order of −two/+two seconds per day – the speed deviation tolerated from the manufacturer for your completed watch is noticeably smaller sized than that approved by COSC for official certification with the motion on your own. The Superlative Chronometer standing https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/
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