How long would it take a jeweler/watchmaker to swap out a genuine Rolex movement with a fake/cheap one? I had to have a watch appraised for insurance purposes and was surprisingly hard pressed to find someone local who could/would to it. I called the local AD who said they do not do appraisals but gave me a recommendation of someone who could. I took it to that person who, to my surprise, works out of a mom and pop jewelry store in a strip mall in not the best part of town. I figured if the…

How long to swap out a Rolex GMT II movement?