11-12 seem to have lost color and either the dial has not be refinished or done a long time ago.
The value of a watch will not change dending on the writing on the dial. Vacheron Constantin, Suisse, Genève was habitually put on dials of watches made for the American market.
You have sent me at least 5 emails with the same queston !!!!
I have answered you with pictures and described as much as I can about your watch.
Including lots of pictures !!
Somewhere you got to stop,
hi My friend doc :-)
Excuse but I realized that I had to make an application to the entire forum for more advice. Ok ok do fine.