Aquagraph
·Well your car's paint is an exterior color, whereas lume was just added to markers so it'd glow. When it patinated, many people found that they quite enjoyed the warm tones.
But nowadays, new watches have colored lume that won't discolor so you have nothing to worry about 😀
Indeed, I also don't get why people think faded bezels are a good thing. Why would people pay extra for a faded bezel - it makes no sense to me.