The Precision of a Rolex Superlative Chronometer is of your get of −2/+2 seconds every day – the rate deviation tolerated through the brand name for just a completed enjoy is noticeably scaled-down than that approved by COSC for official certification with the movement alone. The Superlative Chronometer status is https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/