I've been looking for a way to view calendar (my training schedule specifically) on my mobile. Maybe it's also possible on my watch? I have a Forerunner 220.
You can indeed check it from your watch, and (even though it's not a great browser experience) you can also look at the garminconnect website from the browser on your phone too. If you want the feature added to the GC Mobile App itself, then add your thoughts to the following post where Garmin are actively looking for constructive feedback;
Thanks for replies! I've configured my calendar to show up on my apple calendar, it's indeed very handy! But I still can't figure out how to send data to my forerunner...