The C530 is a new and budget smartwatch produced by Elegiant. The C530 has a simple design, basic functionality and a large display. The Elegiant C530 is IP68 certified too and comes with two watch bands for US$28.99.
https://www.notebookcheck.net/Elegiant-C530-New-smartwatch-launches-for-US-28-99-with-two-watch-bands-and-IP68-certification.598441.0.html