This is a VERY uncommon 36mm. 1977 ROLEX DATEJUST 14k. solid gold and steel ref. 1630 that was just meticulously cleaned by my ROLEX trained watchmaker. We bought this from the original owner who kept it in spectacular condition. There is no stretch to the bracelet. This watch uses the ROLEX OYSTERQUARTZ case and bracelet style, but has the automatic winding caliber 1570 26 jewel movement with quick-set date, sapphire crystal. This movement was just cleaned by our ROLEX trained watchmaker. The amazing bracelet was produced ONLY for this short-lived automatic version, and has 3 rows of solid gold instead of the 2 rows found on the ROLEX OYSTER QUARTZ, which appeared later. This watch looks essentially new. This watch has the original dial and NOT a service dial as we will often find on these. This case and bracelet is one of Rolex’s BEST EVER designs and looks simply amazing on the wrist. These are truly undervalued watches, due to the fact few are out there.