In 2015 Rado (Swatch) Canada charged me $300 CAD, less than $250 USD, to put a new and freshly serviced 2836-2 chronometer into a Diastar, polish the bracelet and ship it halfway across Canada. That price included the 2836-2 Rado marked chronometer movement. So I personally think that's too much.
This one:
PC310675 by Hank Blanc, on Flickr