I haven't seen this yet, so maybe you haven't?
I've yet to read the first in this series, The Girl in the Steel Corset (I have it on-hold, though!), but I have to say that it's cover is def. better. This cover is a little...boring.
The Girl in the Clockwork Collar by Kady Cross
Releases: May 22, 2012
"In New York City, 1897, life has never been more thrilling - or dangerous.
Sixteen-year-old Finley Jayne and her "straynge band of mysfits" have journeyed from London to America to rescue their friend Jasper, hauled off by bounty hunters. But Jasper is in the clutches of a devious former friend demanding a trade-the dangerous device Jasper stole from him...for the life of the girl Jasper loves.
One false move from Jasper and the strange clockwork collar around Mei's neck tightens. And tightens."