Here is an uncommon vintage Omega Constellation watch dating to 1968, according to its movement serial number: 27675359. This watch has been professionally serviced, running strong and accurately. The day-date automatic movement is an Omega calibre 751 with 24 jewels and has the quick set date feature. The uncommon grey tone factory original finish in lavish condition. The unpolished steel case is in great condition. Case design is refer to as the Constellation "Round" case model. Brand new case gasket. Original signed crown. New acrylic crystal. The case model is 168.016 and measures 35mm across, excluding the crown by 41mm lug tip to lug tip. The watch will come with a new high quality 19mm genuine leather strap. The wrist size in the photo is 6 inches. Day is in German.