The phrase "future smartwatches" refers to smartwatches that are yet to come or be developed. It implies that there will be new and improved versions of smartwatches in the future with enhanced features and capabilities. Full definition
Right now the concern is smartwatches being not stylish enough; let's hope future smartwatches will also be a lot smarter than they are right now. (goodereader.com)
Future smartwatch apps may take advantage of things like augmented reality and the expanded capabilities of voice - based assistants, rather than having to rely on a small screen for navigation and information. (slate.com)
That was a technical patent filing that covered a lot of ground about future smartwatch development. (patentlymobile.com)