HTC recently started handing out invites for a press event scheduled on March 1st at MWC 2015 in Barcelona. The One M9 / Hima flagship smartphone and the company's first smartwatch could be both unveiled at the event.
http://www.notebookcheck.net/HTC-to-unveil-its-first-smartwatch-on-March-1st-at-MWC-2015-alongside-the-M9-Hima.134755.0.html