After I've owned one I want more brands to use tritium tubes!
Previously I associated tritium tubes with non-luxury sport/exercise watches (Marathon, Luminox etc.). But owning a Ball watch has shown me how it's possible to integrate tritium tubes in a classic luxury design. Now I feel like more watch brands should be using this superior technology. I hate how so many of my watches I might choose to wear overnight will lose their lume before the sun is up. Never a problem with the tritium tubes on my trainmaster.
Obviously there are still some limits; tritium tubes probably aren't appropriate for pure dress pieces like Calatravas or something, but think about how perfect a set of tritium tubes would be on something like a Rolex Milgauss. Yet unless I'm missing something, Ball seems to be pretty much alone in successfully executing classic watch designs with tritium tubes.