Sony has started pushing out a new update to its Android Wear-powered Smartwatch 3. The update carries a build number of M1D64T and brings along Android security fixes for the month of December. Sadly, nothing else is known about the update at the moment, including what other changes (if any) it brings along. Via
Source: http://www.gsmarena.com/sony_smartwatch_3_starts_getting_december_security_update-news-22253.php