Gilt Dial Omegas....

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Mac_Omega has commented on this one before as being a "galvanic sandwich", as he says here.

And here is a second one, too, with a subtle black outer track.
 
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and here is another Constellation model 168017
omconst1680178.JPG
 
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A great description of the galvanic process to produce Rolex 'gilt' dials.
I would just add that the whole dial was then lacquered to ensure an even 'gloss' finish before applying lume.
 
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Something special when the sun hits those black gilt dialed Omegas
 
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Based on a few explanations, this is my very rudimentary understanding of how "gilt" dials were produced.

A prepared brass blank receives a silver or gold plating. Then the text is printed onto the dial with a non-conductive material using a conventional pad. Next the black layer is applied. This layer does not cover the text due to its lack of conductivity. The dial is then cleaned. This leaves the black layer intact and removes the non-conductive coating to reveal the "gilt" text.

Here is one that I just picked up.

That is 100% correct. Over the years I had a few early Railmasters and Seamaster 300 with these dials as well. And, no, I did not keep pictures then.... Mac_omega introduced an overdue layer of Magic into this discussion. Labelling them " Sand_Witch " Dials. That Label should create a new Rolex/Omega Hype and the doubling of prices.... Very much needed in the moment.
 
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That is 100% correct. Over the years I had a few early Railmasters and Seamaster 300 with these dials as well. And, no, I did not keep pictures then.... Mac_omega introduced an overdue layer of Magic into this discussion. Labelling them " Sand_Witch " Dials. That Label should create a new Rolex/Omega Hype and the doubling of prices.... Very much needed in the moment.
Achim, you are not only a clairvoyant but also an eagle-eyed guy, you unmasked my poor English when exposing my "galvano-sandwitch"
dial. Of course it should read sandwich instead. I have amended it in my previous comment - I don´t want to put a bewitched phrase in circulation! 😁
 
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Achim, you are not only a clairvoyant but also an eagle-eyed guy, you unmasked my poor English when exposing my "galvano-sandwitch"
dial. Of course it should read sandwich instead. I have amended it in my previous comment - I don´t want to put a bewitched phrase in circulation! 😁

Always happy to help. As you know, German is my first language as well.... I like Sand- Witch Dial. Will use it in my next sale description . These Dials have a certain Magic , you nailed it !
 
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How about this one in copper/black/silver white?
Came NOS from a tin can filled with watches and oil which was hidden in a wall at the beginning of WWII and found when tearing down the wall during a renovation/rebuilt process - a time capsule full of wonderful watches...

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