The company also tweeted, "Get your wrists ready! Fantastical 2 for Apple Watch is almost here."
Fantastical is a popular calendar app for the iPhone, iPad, and Mac. It's unclear exactly which features will be available for Apple Watch; however, you can signup for notifications at the link below or you can follow iClarified on Twitter, Facebook, Google+, or RSS for updates.
You can purchase Fantastical 2 for iPhone - Calendar and Reminders from the App Store for $4.99.