Apparently, both the Wall Street Journal and the NY Times have confirmed that Apple is planning this iOS smartwatch. To make it even more interesting, the watch has a curved glass look to it, which really shows that it is an Apple product.
Now, what you see on the right here is a concept watch from Fuse Chicken that shows how Apple could design such a smartwatch, and, as you can see, the band is completely non-transparent. The particular watch is .25 inches thick, and many color options with a Lightning connector for 3-5 days of battery life.
This iWatch also uses Bluetooth 4.0, and making and receiving calls is also handled on the smartwatch with the help of an included speaker and microphone.
I suppose we will see if any of these designs come true. I believe there are other Bluetooth watches on the market right now.