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Old 25 November 2017, 12:27 AM   #1
mfellers
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What causes luminova to discolor?

Saw this Sub posted on Bernard Watch, what would cause the Luminova to discolor? Based on the date of manufacture and possibility of a service dial etc, this looks like tritium patina but that wouldn't make sense given the above. The 9 hour marker is particularly noticeable. Water/flooding?

https://www.bernardwatch.com/Rolex/S...r-Date/RLX7290
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Old 13 December 2017, 06:11 AM   #2
saskmh
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Oil and dirt can make luminova look like that. It's not aging, just an unclean watchmaker with dirty practices.
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