Rare Rolex Datejust ref 6605 Black Gilt Dial with 'OFFICIAL TEST' TextSCBOT text for rare testing lines We are delighted to be offering a rare and stunning yellow gold Datejust. The watch has a dial version that we have never seen before on a Datejust (possible unique) and features the chronometer text: SUPERLATIVE CHRONOMETER BY OFFICIAL TEST. The Reference 6605 saw to introduction of the new 1065 movement, which suggests this exact watch is a prototype model to test the new movement. The dial is gilt, in great