Omega constellation Ref 2852 12 Sc a gold plated and stainless steel automatic wristwatch with pie-pan dial, circa 1960 dial: pie-pan silvered calibre: cal. 505 automatic, 24 jewels movement number: 16073611 case: polished round, screw-back with Geneva Observatory emblem Closure: brown lizard leather strap dimensions: 34 mm signed: case, dial and movement. Accessories: none