The Precision of the Rolex Superlative Chronometer is of your buy of −two/+2 seconds per day – the speed deviation tolerated through the model for any finished enjoy is noticeably smaller sized than that acknowledged by COSC for Formal certification on the movement by yourself. The Superlative Chronometer position is https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/