Hello, and a question from a mechanical watch newbie (Nomos Club Datum)

I last bought a watch about eleven years ago. It's a nice enough quartz watch, but not something that would impress any watch person. Its bracelet finally started to fall apart this spring. Wondering about what to do about it, I figured maybe I'm entitled to a watch every decade or so. I walked into a jeweler's and asked to see what's available. There were a couple of watches there that I thought were rather nice. They were German, from Glash��tte Original. The designs didn't immediately click, t