We’ve finally found ourselves a solid, confirmed shot of a micro SIM in the wild, thanks to an FCC filing from Lok8u — the company that just inked a deal with T-Mobile — that shows the innards of its GPS watch torn asunder. Over on the right there is one of the micro SIMs in question, and as you can clearly make out, the contact pad is identical to the one you’d find on a traditional SIM (that shot of an AT&T unit that we’d posted earlier was actually a mockup by our own Sean Cooper, you see)

See the article here:
Micro SIMs can probably be fashioned from shaved down traditional SIMs