Omega Constellation 3685470

Omega. An 18K gold automatic calendar bracelet watch, Constellation, Ref: 3685470, Birmingham Hallmark for 1965

Omega. An 18K gold automatic calendar bracelet watch, Model: Constellation, Reference: 3685470, Date: Birmingham Hallmark for 1965, Movement: 24-jewel Cal.561 automatic, No.23938109, Dial: Champagne, applied black baton hour markers, black outer minute divisions, date aperture at 3, gilt lance hands with black inserts, centre seconds, Case: Polished round, screw down back, No.399719, Strap/Bracelet: Integrated woven link, Buckle/Clasp: Signed 18K gold folding clasp, Signed: Case, dial & movement, Size: 35mm