So i've got this luminox that i absolutely love, and it stopped working. I assumed it was a battery issue, but after putting 3 batteries into it w/o it working again - i'm not so sure. Is there something more mechanical i should be investigating to troubleshoot? It's 3 years old, so out of warranty, but still LOTS of life left in the tritium tubes - i'm not willing to chalk it up as a loss, but not quite sure what else to do. I can always take it to the local watch shop i suppose, but am a bit of a DIY guy (like my wife says, why pay someone $10 to do it when i can spend $1000 and do it myself??)