. . . based on a Piguet ébauche, and implemented with an earlier version of Omega's co-axial escapement. It's a white elephant.
As for current Omegas I find intriguing: titanium Ploprofs . . .

. . . and white gold Trésors . . .

. . . top the list. Unfortunately, neither are even close to being on the likely list . . . now that I've the limited edition Rail, it's strictly vintage from here on out!
Archaically,
Art