The Vintage Wrist Watch Company has dated this piece to the 1950s.
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The watch has a 20 jewel calibre 501 automatic movement which is working nicely. The movement is fully signed and it has the serial number 15,832,398 which dates it back to 1956.
The watch measures 36mm diameter excluding the Omega winding crown and the lugs.
It was said that the gold capping was so thick that it could hold its shape when not fitted to the case and apparently the salesman used to carry a sample of just the gold capping to demonstrate how strong it was. The case is in good condition, just light marking but nothing too serious at all. The case back is signed with the Seamaster name, and it also states that the watch is waterproof but, as with any vintage watch, it should be kept away from water and moisture. General light surface marking.

The inside of the case back has the Omega logo and the case reference 2857-2856 which is correct for the calibre 501.
The lens is in good condition.
The signed dial is in its original finish with original dauphine hands. There is freckling across the dial.
The watch has a later leather strap with after market buckle with Omega logo.
The watch comes in a new presentation box.
The Vintage Wrist Watch Company has dated this piece to the 1950s.
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