Watch rings

A Casio wedding ring or a fashionable accessory around fingers? Yes, those might be possible with the Casio-licensed collection of miniature watch rings. All the watch rings are a faithful reproduction of the real Casio watches to make them look realistic and ‘fully functional’ enough. They feature a digital or analog display, a dial, a glass three-layer structure, and even their analog watch has two layers just like a wrist-sized Casio watch. One of the watch models even has the world map printed on the screen beside what seems to be a compass. The three-in-one visual element might be an eye-catcher, coupled with its Casio look... More here.

I should not like these, but I really do. Why can we not have watches as rings that offer functionality as well as fashion?