Here is an elegant vintage Omega Constellation watch dating to 1966 according to its movement serial number: 24437342. This watch has been professionally serviced running strong and accurately. The automatic movement is an Omega caliber 561 with 24 jewels. The factory original finish pie pan dial is in splendid condition. The case has a solid gold bezel and gold medallion with gold capped lugs over stainless steel. Case design is refer to as the Constellation "Round" case model. Case is in great original unpolished condition. Brand new case gasket. Original signed hidden style crown (Maybe problematic to use for someone with large fingers). Original signed acrylic crystal. Case model is 168.004 and measures 35.6mm across excluding the crown by 40.4mm lug tip to lug tip. Watch will come with a new 18mm genuine leather strap. Wrist size in photo is 6 inches.