Gold 50 The latest Rolex ROLEX day-date 40m 21st century series watch! Log 40m 1 classic 904L case with light outer ring! 2. Mirror material - anti-scratch blue crystal glass, anti-reflective convex magnification (2.5 times) calendar window 3. [Watch strap] equipped with electric nano-electric transfer technology, arc five rows of links, 4. buckle type folding buckle ,Concealed folding crown buckle! 5 equipped with imported movement mechanical watch,