An outstanding vintage Omega Constellation Automatic Chronometre. A brilliant and high-quality timepiece. The full rotor and professionally serviced automatic movement is an Omega caliber 505 with serial number 15345285 dating this timepiece to 1956. It is working strong and accurately. The factory's original cross hair arrowhead dial has been nicely aged. Set of original dauphine hands. Brand new crystal. The case is made of a solid gold bezel, solid gold case back medallion, and gold-capped lugs over solid stainless steel. Brand new case back gasket. Original signed crown. The case model is 2852-7 SC and measures 35mm across excluding the crown by 42mm lug tip to lug tip. This very fine timepiece will come with a brand new high-quality 18mm croco grain genuine leather strap. Wrist size in photo is 6 inches. Don't miss out on this one!