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saxo3 · 2 June 2022, 07:50 PM

@Erpin: not sure which lume is on this GMT 1675 dial from 1963, do you know? Did you measure your watch with a Geiger-Müller counter before travelling to Switzerland? There were no issues at Airport controls?

Due to the 'nasty' physics properties of Radium-226 and all its isotopes, such old dials still can have much higher radiation levels than the later introduced Tritium dials.

I wonder how Rolex Geneva, and the Swiss watch industry in general, deals with radioactivity of radium-dial timepieces. Radium dust particles (for example) are certainly a problem for a human intervention during a service.

@Erpin: do you have any experience or information from Rolex HQ about their handling (and Swiss legislation) of radium dials? Curious to know since it also has consequences for other vintage watches that someome might want to get serviced in Geneva.

2 June 2022, 07:50 PM	#9
saxo3 "TRF" Member Join Date: Dec 2020 Location: . Posts: 2,723	My 1963 GMT 1675 with Silver Dial? @Erpin: not sure which lume is on this GMT 1675 dial from 1963, do you know? Did you measure your watch with a Geiger-Müller counter before travelling to Switzerland? There were no issues at Airport controls? Due to the 'nasty' physics properties of Radium-226 and all its isotopes, such old dials still can have much higher radiation levels than the later introduced Tritium dials. I wonder how Rolex Geneva, and the Swiss watch industry in general, deals with radioactivity of radium-dial timepieces. Radium dust particles (for example) are certainly a problem for a human intervention during a service. @Erpin: do you have any experience or information from Rolex HQ about their handling (and Swiss legislation) of radium dials? Curious to know since it also has consequences for other vintage watches that someome might want to get serviced in Geneva.