The Precision of the Rolex Superlative Chronometer is with the get of −2/+2 seconds daily – the rate deviation tolerated by the brand name for a concluded enjoy is significantly scaled-down than that accepted by COSC for Formal certification on the motion alone. The Superlative Chronometer position is symbolized because https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/