The Vintage Wrist Watch Company has dated this piece to the 1960s.
The movement is signed Omega Watch Co, Swiss and it has the serial number 22,623,242 which dates it back to 1965.

The watch measures 33.5mm diameter excluding the winding crown and the lugs. The case is stainless steel and there are marks, scratches and signs of use to the bezel and to the sides of the case. The case back has the raised Seamaster logo to the outside and the Omega triangular stamp to the inside, along with the case reference 166.003. There are scratches to the case back. The winding crown has the Omega logo.

The lens is in good condition; it has the tiny clear Omega logo to the centre.
The dial has the applied Omega logo and is signed Omega, Automatic, Seamaster, Swiss Made. It is in its original finish and there is some marking and discolouration. Original dauphine shaped hands, centre seconds hand and a date display.
A new black leather strap has been fitted.
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The Vintage Wrist Watch Company has dated this piece to the 1960s.
Specialists in antique and vintage wrist watches and pocket watches
You can view the stock and full dealer information on the The Vintage Wrist Watch Company Profile Page