here are a couple of my previous, "old reliables" . . . the ones I put on, when I just didn't want to think about it . . . maybe it could be called the "default watch".
Here's the automotive analogy: my 1971 DeTomaso Pantera as the "think different" car / the Toyota Camry or E-Class Mercedes would be an example of an "old reliable" . . . not a "beater", but probably the one that goes unnoticed / doesn't require much of a decision or mood to drive . . . you know, just a plain, old car. As comfortable (and non-controversial) to drive / wear as the favorite pair of jeans.
I hope that you, or other readers, will refine the theme, or suggest variations, as you see fit.
Jeff