OMEGA self winding wristwatch reference 2802 - 1SC, Switzerland around...

OMEGA self winding wristwatch reference 2802 - 1SC, Switzerland around 1956, stainless steel case, snap on case back and bezel, silvered dial with raised hour-signs due to age spotty/patinated, display of hours, minutes and sweep seconds, movement copper coloured, 19 jewels, calibre 471, screw-balance, flat hairspring, incablock shock-absorber, winding crown neutral replaced, diameter approx. 33 mm, overhaul recommended at buyer's expense, condition 2-3, property of a collector