The Original Movement: 20 jewels, Serial # dating the watch to 1958 on the Omega date register. This is one of the best automatic movements Omega made it is a true classic which has certainly stood the test of time. Thousands of these movements were produced and it was very carefully designed for level of accuracy. I used and had it running for a few days with no problems, Leather Strap is not Omega, in used condition with normal scratches and wear, please see the pictures and let me know if there is any questions Thank you for visiting
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