Like All Rolex watches, the Oyster Perpetual Datejust 31 is roofed by the Superlative Chronometer certification redefined by Rolex in 2015. This designation testifies that every watch leaving the brand name’s workshops has properly been through a series of tests executed by Rolex in its own laboratories according to its https://www.watchesworld.com/11-of-the-best-womens-watches/