The M500 mobile phone watch was first announced a few months’ ago, and it looked like it could finally be the phone-on-a-watch that gadget lovers everywhere have lusted after since they were ten years old.

Whereas other phone watches either look like huge mobile phones attached to a strap, or are simple Bluetooth proxies with no internal GSM radio (like Sony Ericsson’s range), the M500 actually features full mobile phone functionality into a watch that’s actually, well, of watch-sized proportions.

But how good is it really? Check out the M500 video after the jump to see for yourself!