This circa 1960 OMEGA CONSTELLATION CALENDAR is a relatively uncommon variation in the vintage CONSTELLATION line of watches. The proper beads of rice OMEGA bracelet is present and displays very good condition for its age-will fit a large 7.75″ wrist. The dial and hands are original with some great looking vintage patina. There is some pitting on the case back. The caliber 504 automatic winding OMEGA chronometer grade movement was recently cleaned and accurate. The winding crown is a replacement OMEGA. You can always dig up a 10 sided crown. On the wrist, this watch really looks excellent-a real vintage look.