Rolex Datejust Watch 36mm Yellow Gold and Steel Mother of Pearl Dial 16013 Rolex Datejust Watch 36mm Yellow Gold and Steel Mother of Pearl Dial 16013. Keeps time and is functional. Men's Rolex watch with blue mother of pearl dial with diamonds and the original gold colored dial. Case Size: 36 mm diameter Case Material: Steel/Yellow Gold Movement: Automatic Circa: 1987 Weight: 98 grams Authenticated by Altadena Watch and Jewelry www.altadenawatchjewelry.com, (626) 696-3818