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Different dial and lume material?

2K views 6 replies 3 participants last post by  stockae92 
#1 ·
in some of the Sinn's, there's a "3H" marking on the dail, some doesn't, and some have "Ar"

does that relates to what kind of lume material the Sinn uses?

when did Sinn quite using Tritium and start using Luminova or Super Luminova?

thanks
 
#3 ·
The change was in the early 2000s, like the rest of the Swiss watch industry.

Super-Luminova does not require a marking on the dial, and so Sinn came up with the Ar-marking lest they have an empty space where there used to be a distinctive red circle for the Tritium. ;-) Of course, the Argon has nothingto do with the luminous material. :)
 
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