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 brand’s workshops has successfully gone through a series of assessments conducted by Rolex in its very own laboratories In accordance with https://www.watchesworld.com/11-of-the-best-womens-watches/