Sony Ericsson MBW-200 Bluetooth Wrist Watch with OLED Caller ID Display for $69.99 shipped. Here is a screenshot for your reference. This watch features an OLED display and can be connected with cell phone using Bluetooth. It will vibrate and displays the caller ID when a call comes through. You can also reject or mute call through the watch. It also plays, pauses, stop or skip a track on the phone.