Omega. An 18K gold automatic calendar bracelet watch with pie-pan dial Model: Constellation Reference: 14393/4 SC 61 Date: Circa 1960 Movement: 24-jewel Cal.561 automatic, adjusted to 5 positions and temperature, No.18018586 Dial: Pie-pan silvered, applied faceted gilt baton hour markers, inner black minute divisions, date aperture at 3, gilt lance hands with luminous inserts, centre seconds Case: Polished round, screw down back Strap/Bracelet: Associated 18K gold link Buckle/Clasp: Associated 18K gold folding clasp, stamped B&S Signed: Case, dial & movement Size: 34mm