People may wear watches again, if they actually had a use beyond time keeping. Think of it this way: people used to have pocketwatches. When the technology became compact enough, wristwatches became desirable because wearing something on your wrist is much more convenient than stuffing it into a bag or pocket. Watches only died out because people were carrying another timepiece, the mobile phone.

Now the electronics of the mobile phone, even smartphones, is becoming small enough to be a wearable accessory. Coupled with a bluetooth headset, it even becomes a usable setup. I'm not saying that people are going to go this route, but at least it is a viable option.

That said, I'm not going to buy one myself. While some people may be happy with the size, some of us want smaller timepieces.