The Apple Watch Series 3 isn't the only new smartwatch with LTE support.
The Huawei Watch 2 sold in Australia comes with 4G support. It'll work with AT&T and T-Mobile in the US' metro areas.
It's also got all the fitness tracking delights you'll find in competing smart watches and wearables.
It's a bulkier design, but looks stylish for what it is.
Here it is next to the original Huawei Watch.
And Fitbit's new Ionic.