I have played with this device and got CircuitPython working on it. It’s fairly undocumented but with the demo apps source I could get the touch, accel, and screen working. However I’ve not been able to get the battery to last more than an hour even with screen blanking.

I saw that waveshare link and was really hoping for some eInk stuff. I would buy a package like that in a heartbeat if it had eInk. Heck, might even get a couple if the price was right.

Exactly what you're looking for https://watchy.sqfmi.com/

Wow very neat, thanks! Happen to have any other similar suggestions? That one is backordered for months.

Wow this is pretty neat and surprisingly affordable. Looks like it'd be great for making digital gauges for a car.