Officine Panerai

sergio
[Panerai Moderator]
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The difference between the dials and the hands...

has to do with two different manufacturing processes. The hands were industrially manufactured whereby the indices were manually "finished" by Panerai. The tritium was "hand applied/painted" in the grooves in the dial, for the Pre-V and the Pre-A dials. In the A+B models the tritium was inserted in a plastic container (much like a salame) and then applied to the grooves in the dial. The preparation of the tritium mix was done manually creating the "inconsistency" of the mixture and giving way to "oxidation". That's the reason for banning tritium, since tritium is a radio-active material and the exposure to it detrimental to the employees health. Tritium, to be sure, is a low impact radio active material (not like the radium in the original RADIO-MIRS) but still a very harmful material.