A prototype of a smartwatch with an E Ink display has been shown at the HKTDC show in Hong Kong. Onyx International, an eReader maker, is building the device. The smartwatch features a 1.56″ display, can link to a phone using Bluetooth, acts as a pedometer and has three physical buttons. It is also waterproof. A video of the watch in operation can be seen here: http://tinyurl.com/nougsr6.