Rolex ROLEX Rare Sigma dial. Original hands included at no extra charge. The σ (sigma) marking, used in the early 70s, makes this dial rare. I acquired this intending to use it myself, but decided to sell it as is, in its original condition. The hands that were used with this dial are also included in the sale. Like the dial, they are in good condition, and the tritium lume is still present (though it no longer glows, of course, and can only be seen under a black light). I believe this dial can be used with Datejust models 1601, 1603, and cal. 1570. I think it's a beautiful dial that doesn't show much aging. The color is also well-preserved. I may not be able to answer highly technical questions. Please make your judgment based on the photos. Sigma dial σ dial Sigma dial σ dial