Beautiful Omega Constellation ref. 2648 with center second. This is the most desirable version because it is powered by the exceptional caliber 352 Rg chronometer certified. The reference 2648 was produced with two calibers : the standard 354 and the very rare 352 Rg.
The steel case has never been polished, the lugs are still sharp.
Original two-tone “cross hair” dial in very nice condition, never restored. It has developed a mottled patina that changes depending on the light.