OMEGA gents wristwatch Seamaster in steel reference 2846-2848 1SC, Switzerland...

OMEGA gents wristwatch Seamaster in steel reference 2846-2848 1SC, Switzerland around 1957, snap on case back, restored, silvered dial with raised indices due to age spotty/patinated, movement copper coloured, 19 jewels, calibre 501, Glucydur-balance, flat hairspring, incablock shock-absorber, swan´s neck regulateur, diameter approx. 34 mm, condition 2-3, property of a collector