i inherited a 1950-60 omega from my late grandfather i do not know much about it other than it is supposedly rare. Omega 17 Jewels watch. 10K body with steel back, kinetic self-winder. the serial number is 24707463 it's a 550 i posted some pics if anyone can get me some info on it that would be wonderful, also its the only one i have found that has just the omega symbol and not saying omega on the face. it has been verified by a local jeweler as factory though he does not know anything more than that