The Street reports that AT&T and Verizon will charge $10 per month to add an LTE-enabled Apple Watch to an existing US data plan. Of the two carriers, Verizon’s offer is a little more generous because ...

You’ve also got the option of picking up an Apple Watch with a cellular contract, allowing it to function as a standalone device that doesn’t need to be tethered to your phone to make calls ...

so unless you have an Apple Watch with cellular capabilities (Series 3 and 4 GPS + Cellular) and have set up an eligible cellular service plan with a supported carrier, you don't need to worry ...