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 15351537 dating this timepiece to 1956. It is working strong and accurately. Very rare factory original waffle cross-hair Arrowhead pie pan dial is in very well-aged condition. Set of original dauphine hands. Brand new crystal. The lightly polished case is made of solid stainless steel with a solid gold case back medallion. Brand new case back gasket. Original signed crown. Case model is 2852-6 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 genuine leather strap. Wrist size in photo is 6 inches. Don't miss out on this one!