The Mibro Lite costs less than US$60, but it still manages to look rather modern with its slim display bezels. The smartwatch also has an AMOLED display, a 230 mAh battery and is IP68 certified.
https://www.notebookcheck.net/Mibro-Lite-Affordable-smartwatch-from-Xiaomi-s-ecosystem-launches-with-2-5D-glass-and-slim-bezels.570006.0.html