Different strokes T-Man,some really care about lume,others not so much. I probably fall somewhere In between. Lets say you have a Pam or Omega rep,the gens are known for there excellent lume. Rep lume is for the most part [censored],although some of the newer reps are using superluminova. If your out at night and your high end swiss timepiece Is not glowing,well thats a problem for some. It Is nice to charge your watch before you go out,brite lume just brings your watch to life.It's a personal thing. It does bring that gen look to your rep,unless of course the gen Is not known for it's lume,say a dress watch for example. I like diver watches and divers should have good lume