The HX68 is a new smartwatch from IWO, and is one that can make calls thanks to its built-in speaker. Its 1.72-inch display is rather large too, but it remains lightweight at 34 g. The IWO HX68 retails for US$26.99.
https://www.notebookcheck.net/IWO-HX68-An-Apple-Watch-clone-that-can-make-calls-for-US-26-99.532945.0.html