Samsung will soon offer LTE version of the Gear S3 Classic
Amazon.com: Samsung Galaxy Watch4 Classic 46mm Smartwatch LTE, Blood Pressure Monitor in Silver with White Ridge Sport Band (Renewed) : Cell Phones & Accessories
Samsung Brings Enhanced 4G LTE Capability to Gear S3 Classic - Samsung US Newsroom
Samsung Gear S3 Frontier 4G LTE Before You Buy Review - YouTube
Samsung Introduces Gear S3 frontier (LTE) with eSIM | TechieLobang