Quote:
Originally Posted by mike
what we do know for the late 60's/70/870's stuff is that it appears from all the long term stored examples discussed, is that left to its own devices the tritium based compound will age, and gain patina. From what we have seen and a few experiments conducted we see that light has a bleaching effect on the mixture which slows the development of patina and keeps it light.
not an authorative guide, and off course there will be examples that maybe buck this, it is after all Rolex.
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Thank you.
This helped solve why the tritium lume markers on several of my 70’s watches became darker over the years even while locked away in darkness…
I was under the wrong impression that daylight would make them patina…