I definitely have a clear preference among the several versions and that is for the titanium. There is not even a close second in the group. I love the presentation of one of the most refined and elegant complications as a concept watch, and the titainuium version achieves this perfectly. No other minute repeater looks like it. The 1833 edition is interesting looking, but I don't care for the "1833" tag at the bottom (almost as if they did not know where to put it, and I think it would have been better engraved into the case), but in the end I am not sure about the combintion of metals between the silver movement and the pink gold case. The platinums just don't compare IMHO.
I guess given the nature of this watch, the real question is which version and metal sounds the best?
Thanks for posting this. I can never see this MMR often enough.
respo