I never owned a 1665. I am running after a DRSD for so many years, without having found mine... ;) As for the 1680, the Red I like it, but not as much as the 1655 and 1665.
But also a very found member of my collection. The 1655 has always fascinated me. A watch with a GMT function created solely for the cave Dweller. A person who spends so much time in a cave system that they have to have a watch specially for them so that ...
By the way, not a GMT, but a 24 hours watch, for the reason you mentioned. And such a character! The funny thing is that this uncommon Rolex or Un Rolex Rolex shares another point with another Un Rolex Rolex, the Milgauss 1019... It is very difficult to f...