. . . but there's only one I find compelling enough to consider over their nominally standard brethren.

[photo credit: monochrome]
I'm not much for world timers in general; Omega's is the cream of the crop aesthetically among manufacturers, in my opinion, but as usual, opinions may - and do - vary. What strikes me, though, is the subtle overall effect the gradient blue casts on the dial.
Not that I'm planning on any purchases before digesting the recent Grand Seiko acquisition, but of this series, it's the WT that gets my attention.
Thanks for posting this, Charlie!
Best,
Art