Quote:
Originally Posted by padi56
Rolex used T.Swiss.T less than 277 MBq (7.5mCi) and Swiss <T25 less than925 MBq (25mCi) on there dials depending on how much radioactivity they had from 1960s till mid/late 1998.
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And, occasionally a combo of both that say T Swiss-T<25. No idea what that means in terms of radioactivity though.