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Rolex

I know two

 

The dial and lume restorer showed me a lot

One of the things he showed me we all look at shape and form of lume but lume can be different per dial especially when relumed by Rolex.

you have too look at the build up how the dial is colored by applied electrolyses or how the lume compounds are .

Once you know that it easy to spot which dials are original or not .

Also Most of the dials have a positive radium read out in the geiger meter .

But not nececarly because of radium

Rhodium in the lume and as the base layer for dial also gives a radium read out .

Once radium dials are for ex. Relumed from radium to tritium by Rolex they still give a radium read out as the the radium contaminates the metal dial.

Also you can perfectly relume with radium

I just want to say the use of the geiger meter is pointless.

Some of the Information written on the popular watch blogs or in books which collectors accept for fact is just invention. Unfortunatly these inventions are used with bad intentions.

Then when you look online and when you really know how Rolex makes inserts then you notice that the mayority If the inserts offered online are not OEM original .

It is not only shape and form but most important content .

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I also want to add about Rhodium (RH)

 
By: Con Nast : June 5th, 2019-04:08
Rhodium is ever present in Rolex lume be it with Radium or tritium . Rhodium gives a positive read out Hence much lower on the Geiger meter . Also in the build up the vintage dias untill 1970 s the used Rhodium . P Rhodium is a common denominator which ca... 

Hola

 
By: Con Nast : June 5th, 2019-04:00
I recently discovered that not only they used Radium as lume But also strontium 90 as lume on the dials. Switserland used to export strontium 90 for Medicinal use and for lume . In the late 1950 simport and use of strontium was forbidden in the USA. Actua...  

Yes

 
By: Con Nast : June 5th, 2019-04:24
Dials for the USA market would need underlines and dot. Sometimes they where checked in the USA so you get the double underline . . Also Rolex technicians locally would relume and restore dials ( called repositioning ) they would change the contaminated l... 

It is always fascinating to hear stories from Rolex technicians.

 
By: Bill : June 5th, 2019-07:39
The details you have given lend a lot to understanding the use of the underline and dots. So us it safe to say all dits and underlines relate to watches for the us market modified by Rolex usa. Thank you.

I know two

 
By: Con Nast : June 9th, 2019-01:09
The dial and lume restorer showed me a lot One of the things he showed me we all look at shape and form of lume but lume can be different per dial especially when relumed by Rolex. you have too look at the build up how the dial is colored by applied elect... 

I have another one

 
By: Con Nast : June 9th, 2019-01:30
People have a concept of gilt being gold colored letterings, But they are white letterings from the 1960s onward. Original gilt is silver colored the Rhodium layer under the colors which shine trough the white sometimes they turn brass colored and appears...