Rolesor, The combination of gold and Oystersteel on the Rolex watch, has long been a signature element from the brand since 1933, when the name was registered. It's a meeting of two metals: just one, noble and precious, eye-catching for its lustre and stability; one other, very proof against corrosion, https://www.watchesworld.com/11-of-the-best-womens-watches/