It can if it is near a wifi hotspot or connected to an iPhone. It can't just call out when not attached to some sort of network though. It's a feature of WatchOS 3 so it applies to all Apple Watches, even the first gen as long as it's been updated.
Some of us feel it works almost TOO good, I've triggered it accidentally a couple times. Here's an Apple Support page with info about the feature including instructions for disabling it....