the answer to your first question appears to be yes -so congratulations on having one of the famous 100,000!
as for value -it lends a little extra kudos as it has been identified as one of a certified series of watches where every one of a run of 100,000 achieved (especially good results) chronometer status -a remarkable achievement
Collectors might like to say they have one in their collection -nice to have but it doesn't necessarily add monetary value (there are 100,000 of them after all and they are no better than the 100,001st 561 Constellation certified)
However, it is priceless to you as a talking point -as you can now say:
"not only do I have my father's watch which has one of the finest production movements ever made but is one of the famous continuous run of 100,000 that Omega had certified as chronometers...."
hope that helps
really nice watch by the way -and if you look on the inner part of the folding clasp you should see some reference codes -take pics of these and the members should be able to tell you if it is an Omega BoR
please get it serviced before you wear it -from the way the date is written backwards you must be States-side -I'm sure the guys on OF will be able to recommend someone if you let them know approx where you are
Philip
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