My costume will end up looking a lot like this:
Now I just need something to layer on over the skirt. This brown utility belt on etsy.com might be perfect if it didn't cost twice as much as the skirt:
And I wrote to a woman who used to sell these clock skirts on etsy. She says she has just enough fabric left to make me one for only $35. Would it clash as an over layer to the white skirt, since the skirt is white but the clocks are on an off-white background? I might be able to fudge a black shawl as a hip scarf between the two skirts if that would help them blend better: