The Precision of a Rolex Superlative Chronometer is with the get of −two/+2 seconds daily – the speed deviation tolerated through the model to get a concluded enjoy is drastically lesser than that acknowledged by COSC for Formal certification from the motion alone. The Superlative Chronometer standing is symbolized via https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/