Timex makes a $120 GPS Ironman R300. It's apparently a Huami/Amazfit backend.

I've been very pleased with it. Great battery life, even with GPS while running. I found it comparable to Garmins in that respect.

The chunky looks could turn people off, but I prefer ugly retro-looking stuff :)

Edit: here is DC rainmaker's review https://www.dcrainmaker.com/2020/06/timex-r300-gps-smartwatc...