Genuine Rolex 18K Yellow Gold 6mmTwin lock crown.. Preowned but in good useable condition Both the spring and thread work well. This will fit many different Rolex oyster models including 36 and 41 mm datejust (116,16 not 126 models)36 day date etc.. Have a look at the photos for further details what you see is what you get. Other Genuine Rolex items listed
