This prototype Casio Bluetooth watch pairs with your smartphone and acts as a micro-display of sorts. The watch, which has a monochrome LCD display, shows caller-ID information for incoming calls to your cellphone as well as displaying notifications or TXT messages and e-mails. The watch can also ring your phone in those instances when you misplaced it. Lastly, this Casio watch can dial emergency services via your cellphone at the push of a button. No word if this watch will become commercially available.