Apple applies for 'iWatch' Trademark ownership in Japan
According to Bloomburg.com, Apple has filed for the trademark "iWatch" with the Japan Patient Office back on June 3rd, and was made public just last week.  A similar filing was with the Russian Federal Service for Intellectual Property, also known as Rospatent just two days before the Japan filing.
The above furthers speculation that the company is planning on making such a device sometime soon.