Saw it on PT that they do sell A6497-2 with OP but not sure whether is it still available or not.
http://www.puretime.co/product/asian-unitas-6497-2-with-platinum-plated-bridges-21600vph/
$118 excluding s/h - yikes! Being a broke grad student, sure does suck.
However, my main concern is what is the movement is ok, but it's the screw that the watchsmith put in which is causing the problem.