This is an outstanding Omega Constellation "C" model. Clean and all original unpolished solid stainless steel case. Case model is 168.017SP and measures 35mm across excluding crown by 40.5mm lug tip to lug tip. Case is in very good condition. A new case back gasket has been fitted. Crown is original. The original dial is in excellent condition with a rare colour tone and unique spider texture. Spider texture is a term collector would describe such a dial finish. Brand new crystal. The 24 jewels automatic movement has been recently serviced and timed. It is an Omega caliber 564 date movement. Movement serial number reads 26347535 dating this piece to 1968. Date has quick set feature. Will come with a brand new 19mm special Chinese made quality genuine leather strap matching the dial perfectly. Wrist size in photo is 6 inches.