Like All Rolex watches, the Oyster Perpetual Datejust 31 is covered by the Superlative Chronometer certification redefined by Rolex in 2015. This designation testifies that every watch leaving the manufacturer’s workshops has successfully gone through a number of checks executed by Rolex in its own laboratories Based on its own https://www.watchesworld.com/11-of-the-best-womens-watches/