My beat-to-hell Wenger Swiss Army watch circa 1994. It was the first watch I bought as an adult (I was 23) and I had to save up for a few months as student loans were killing my budget. It was my daily until about 2009 when I replaced it with another Swiss Army watch. This was my first tool watch and I remember being awestruck at wearing such a chunk of steel. Now of course I laugh at that.
First day on the wrist 😁
... a 20-year old watch ...it should only have 31% of its original luminosity based on the 12-year half-life for tritium...
I haven't done half life calculations in a long time, but I am coming up with 33.3%. I'm using a linear extrapolation. If that is wrong, please accept my apology.
No apology necessary :- ) I got this from Wikipedia: N(t)= (1/2)^(t/T2) where T2 is the half-life.
