OMEGA Seamaster reference 2990-1 gents wristwatch in steel, Switzerland around 1957, manual winding, two piece construction case, snap on case back, black dial restored, luminous indexes, constant second at 6, luminous hands later, pink gilded movement calibre 267 strong abraded, glucydur-balance with Breguet-hairspring, diameter approx. 36 mm, needs to be overhauled, condition 3-4