GOLD OMEGA CONSTELLATION "PIEN PAN" REF.167.005/6 SC-62, CIRCA 1962 Two body circular 18K gold case, flat bezel, polygonal and faceted lugs, screw back with embossed Constellation logo, dodecagonal winding crown. Not original strap and gold plated Omega buckle.
Silvered Pie Pan dial, signed, applied logo at 12 and star at 6 o’clock, trapezoidal and rectangular indexes with black line, inner minute/second division. Gilt trylon hands, centered seconds.
Signed self-winding movement, copper-plated caliber 551, n. 21221837, 24 jewels, lever escapement, monometallic balance adjusted for five positions and temperature, flat hairspring, Incabloc shock-absorber, micrometer regulator. 
Fitted with vintage Omega box.
Diameter Ø: 34 mm
Note: working.