A NICE LOOKING VINTAGE MANS OMEGA CONSTELLATION FOR THE COLLECTOR OR RETAILER, THE WATCH IS RUNNING STRONG BUT IT WAS NOT SERVICED AND MAY NEED A CLEANING BY A WATCHMAKER, THE CASE MEASURES 35MM WIDE NOT COUNTING THE CROWN AND 40MM LUG TO LUG, THE CASE IS IN GOOD CONDITION AND NEEDS A LIGHT DETAILING BECAUSE OF NORMAL USE, THE LINEN TEXTURED DIAL IS EXCELLENT BUT I TOOK A CLOSE-UP OF A SMALL MARK ON IT, THE CROWN IS SIGNED, AS YOU CAN SEE, THE OBSERVATORY ON THE CASE BACK HAS ITS STARS WORN OFF.