>damned if I could find one with a red seven-segment display that I liked (maybe someone else’s search kung-fu is better than mine?).

The secret to finding an inexpensive radio-controlled clock/alarm/watch of your liking it to be German. They LOVE their Funk-Uhren! Sadly they typically only support Germany's DCF77 signal. You can also trivially find DCF77 receivers as components to use in a project.