1966 Omega Seamaster De Ville Vintage Mens Cal. 560 Automatic, Stainless Steel Watch - Only Approx. 3000 Made Polycarbonate Note that the darkened area

Note that the darkened area on the side of the right lug shown in one photo is just a reflection

1967 Omega Seamaster

Even the screw heads show no wear to the naked eye

Movement type:  Bell and Ross Swiss quartz

Diameter: 25

1966 Omega Seamaster De Ville Vintage Mens Cal. 560 Automatic, Stainless Steel Watch - Only Approx. 3000 Made Polycarbonate Note that the darkened areaThe Seamaster, showcasing both refinement and high function, was the most important Omega line from a sales perspective from the latter part of the 1960's into the 1970's. Today's offering showcases this rare, classic and pleasing Seamaster with rare caliber 560 movement of which only 3,000 examples were made. These movements were split across nine models, making each in effect a "limited edition." The 560 was a movement made only for the U. S. market