Rolesor, The Mix of gold and Oystersteel on a Rolex watch, has actually been a signature element with the manufacturer since 1933, if the name was registered. It's a meeting of two metals: one, noble and treasured, appealing for its lustre and stability; another, extremely proof against corrosion, assuring strength https://www.watchesworld.com/11-of-the-best-womens-watches/