Amazfit has finally launched the Pro version of its T-Rex outdoors-style smartwatch. Accordingly, it comes loaded with somewhat extreme resistance to heat and cold, not to mention 10ATM water-resistance. It is also now available on platforms that include Amazon for US$179.99.
https://www.notebookcheck.net/Amazfit-releases-the-T-Rex-Pro-rugged-smartwatch-for-US-180.529029.0.html