Yeah it's possible, i took a code from a build which is a stopwatch, and basically copy pasted it in the gauge.. so yeah it works

Here's the stopwatch build
https://www.simpleplanes.com/a/m186lK/Stopwatch-Fully-Functional

I think you'd need more than one gauge to do it, one for second dial and one for minutes and one for hours, but the in the funky tree work i have no idea.. but definitely possible