... gold version, the one featured in the Miami Vice series.

It says "Thirty five Jewels"

... my contribution:

... I don't think so. You are right, it would be a positive thing to do. But IMO they are not. It's a blatant attempt to milk the Genta design all over again. But this time with a clunkier, uninspired and inelegant watch.

so I had to have both the 3137 and the 3337:

This dial came with the Duoface in WG. Not Cartier BTW.

the date mark might be a uppercase "F" which would then stand for 1980. Lets wait for better pics.

There is a London date mark at the back (the third hallmark to the right of "JC"). It's difficult to decipher from the photo, but I think it looks like a lowercase "g". That would stand for 1962.

It has lots of hallmarks, but this is probably due to the fact that it was imported to England and sold by Cartier in London (the JC hallmark and the adjacent three hallmarks to the right). The three hallmarks below would be the original French ones (the one on the left is the Parisian case maker Pa