The Precision of the Rolex Superlative Chronometer is of the buy of −two/+2 seconds daily – the rate deviation tolerated through the model for your completed enjoy is substantially scaled-down than that accepted by COSC for official certification from the motion by yourself. The Superlative Chronometer position is symbolized with https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/