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 ...

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 ...