The Precision of a Rolex Superlative Chronometer is with the purchase of −2/+2 seconds every day – the rate deviation tolerated with the manufacturer to get a finished enjoy is substantially scaled-down than that acknowledged by COSC for Formal certification from the motion by yourself. The Superlative Chronometer standing is https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/