The Precision of a Rolex Superlative Chronometer is of your buy of −2/+two seconds each day – the rate deviation tolerated through the manufacturer for any finished view is noticeably scaled-down than that accepted by COSC for official certification of the motion by yourself. The Superlative Chronometer position is symbolized https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/