The Prada Menswear Fall/ Winter 2012 Collection, modeled by Gary Oldman, Garrett Hedlund, Jamie Bell, and Willem Dafoe.
See more at: http://www.buzzfeed.com/steampunk/prada-goes-steampunk-for-fall-3n9d
I like it!
Also, that's Gary Oldman and Willem Dafoe! :D
And since men's fashion has been pretty consistent over the years this could just as easily be Dieselpunk, in my opinion.
It looks very Edwardian to me.