Here is a more uncommon Rolex Date 1500 with a Sigma Dial. Sigma characters placed at the very bottom of the dial designates one where all the hour markers were made in solid gold.     The Rolex models with this type of the dial demand much higher prices. Go ahead and Google Rolex Sigma Dial models. This Rolex Date is in great vintage condition! The dial is in great condition as are the hands. The crystal in good condition. The watch is powered by a 26 jewel chronometer graded automatic movement cal. 1570. It is in good working condition.                 The bracelet is 78350 and is in great condition. The bracelet will fit a 7 and 1/2  inch wrist. Measures 34.8 mm across w/o the crown. Case serial number 5.71 million, 1978 mfg. Comes with Rolex Box, no papers.   Priced at $4500