Descriptions :
Omega Gold Filled / Stainless Steel Constellation, Automatic, Chronometer. Ref.166.037SP. Circa 1960s.
Dial :
Signed Pie-Pan Type Gold-Tone Dial appears to be in fairly good condition which I think might have been refinished as shown. Gold metal applied logo at 12:00 and a Constellation star at 6:00. Metal applied hour markings. Gold-Tone hands are in good shape
Case :
Signed and original Gold Filled Case with reference no. "166.037SP" appears to be in reasonably fair shape with minor scratches mostly behind the lugs area and a few light scratches on the case back cover. Signed and original Omega GF crown. Case has a GF Bezel & Lugs. SS Body and Screw Type Back Cover.

Size Measured = 34mm without lugs and crown.

Movement :
Signed and original 24J Cal.752 Automatic Movement with Ref.28025xxx appears to be fair condition. Reasonably clean. 
Remarks :
Watch has been Serviced in mid-1998. Runs Well & Keeps Time.