For an elegant watch, it is tougher than it looks. The @Rolex Lady-Datejust is guaranteed waterproof to a depth of 100 meters (330 feet) and subjected to the same stringent tests to ensure its precision, reliability and robustness as every model in the Oyster Perpetual collection. Discover the #Rolex collection at Mayors. #LadyDatejust #OfficialRolexRetailer