Here is a stunning vintage Omega Constellation watch dating to 1966 according to its movement serial number: 24288956. This watch has been professionally serviced running strong and accurately. The automatic movement is an Omega caliber 565 with 24 jewels. Has quick set date feature. The factory original finish black dial is in well-aged condition. The case is made of solid stainless steel and is refer to as the Constellation "Round" case model. Case is in great original unpolished condition. Brand new case gasket. Original signed crown (Maybe troublesome to use for someone with large fingers). Brand new acrylic crystal. Case model is 168.010 and measures 35mm across excluding the crown by 40.2mm lug tip to lug tip. Watch will come with its original 19mm Beads of Rice (BOR) metal bracelet that will fit up to a 6.5inch wrist nicely. If your wrist size is over 6.5 inches, message in advance to see if additional links can be added. Wrist size in photo is 6 inches.