Square Enix has confirmed the release window or Bravely Second in Japan during their Nintendo Direct broadcast this morning.
The hotly anticipated 3DS RPG is coming sometime this winter in Japan. You can view the new trailer straight from their Nintendo Direct, where the new Bravely Second footage is shown off.
A western release has not been confirmed for Bravely Second as of yet. If you missed our review of the original game, you can find that here.