You seem to be looking at the offerings of one vendor. Might I suggest that you move on from this seller?
His clientele seem to be mostly from the school of "Oooh...shiny!" Old watches are actually supposed to look old and the wear should be consistent throughout the piece.
Most watches from the 1940's through the 1970's had matte or brushed finished on the cases, particularly in steel. The main reason for this is that the matte finishes tended to hide scratches from normal wear. Something that shiny is going to show every scratch, bit of dirt or fingerprint.
Another tell is the position of the "Swiss Made" on the dials. This is almost always found underneath the "6", or the marker at that position. When it's up high and split like that, it is the sign of a lazy redialler. There are some original dials that do have the words split (Omega Pie-Pans and the US Army style dials [Google these for pictures]).
Hope this helps,
gatorcpa
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