I never warmed up to the RG dial watches. It's personal no doubt. The YG and WG stand out and underline the iconic F.P. Journe dials better in my book. As for the cases, I love both the RG and Pt . A YG case would be interesting to see, but not sure I would like it.
Signed: A big Fan
to catch with my horrible camera skills. But here's a pic of a Lune with a Lange One Moonphase anyway. Sorry.