I prefer this 7057 BB, although I'll readily concede that the Traditions in yellow gold are so very Breguet. But I find the white gold Traditions more wearable and of course discreet. The 7097 BB, a recent acquisition, is my favorite and I've been absolutely bowled over by how cool the watch is.
Never saw either of the watches in real life but judging by your photos my preference would be the WG one, seems much more versatile and the contrast between the lighter and darker gray parts and the color of the dial together work better and more harmonically then the gold version imho