The Precision of a Rolex Superlative Chronometer is on the get of −two/+two seconds each day – the speed deviation tolerated because of the model for a completed enjoy is noticeably scaled-down than that approved by COSC for official certification of your movement by yourself. The Superlative Chronometer status is https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/