. . . but not by you or a jeweler -- you have to send it and ten bucks to Timex. You can contact the company at timex.com or call them.

My problem is that the receiver which attaches to the iPod is small and easy to lose. Replacing it costs $15 last I checked. It also had a very limited range, and apparently took a lot of juice from the iPod battery. A fun geek toy, but not terribly practical for me; attempting to use it while driving resulted in more than a bit of frustration from pushing the wrong button.