Hey, Arthur!
Thanks much for the very kind words!
The model I have is the no-date 165.024, so no date window on the dial to allow crumbs of tritium to fall through. However, I am still a bit concerned about the tritium on the hands. There are signs of cracking, and I want to make sure that none of the crumbs fall into the movement to cause problems. So... I'll probably start my hunt for some new parts as well from watchco or watchadoo to replace the old aging bits (I'll put those away for safe keeping; it's always nice to be able to say you have the original parts still).
Please post some pics of your 166.024 twins! I'd love to see them!
Cheers,
Randy