These cases are often 20 micron gold filled, not gold plated. I suspect your case is rose gold filled. I know of no way to electro-plate in anything but the usual gold colour. And if you electro-plate the case, you are not likely to find the colour or lustre to suit you. Unless someone comes up with a more satisfactory answer for you, I suggest you live with it. Has potential to be a great watch, in the hands of the right technician.
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