Rolesor, The combination of gold and Oystersteel on the Rolex watch, is a signature aspect in the model since 1933, once the title was registered. It is actually a meeting of two metals: a person, noble and treasured, desirable for its lustre and security; the opposite, remarkably immune to corrosion, https://www.watchesworld.com/11-of-the-best-womens-watches/