The Gocomma W5 retails for a mere US$63.99, and yet it features LTE and GPS connectivity. The W5 has a 1.54-inch display and runs Android 9.0 Pie natively.
https://www.notebookcheck.net/Gocomma-W5-A-budget-smartwatch-that-combines-LTE-and-GPS-connectivity-with-Android-9-0-Pie.519854.0.html
Does this device by chance accept a nano sim?
The corresponding gearbest product page states it accepts a nano sim.
However, that page also gives a 240 x 240 resolution for the screen (lower than the 320 x 320 supplied by the article).