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SPOT OR A HISTORICAL TOUCH / Omega Pilot
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Professor
·Looks like oil stain from a bit too much lube during a service. I wouldn't give it a second thought. It may just dry up and become invisible over time. Depending on the type of oil.
I wouldn't disturb the dial trying to clean it.
I wouldn't disturb the dial trying to clean it.
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JacksonPollock
·I wouldn't even open the case considering the amount of radium.
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JwRosenthal
·Yeah- looks like oil. Not that I personally would ever attempt it- but would anyone who does watch restoration/ repair professionally weigh in on using something like Naptha or Denatured alcohol on a dial like this to remove the oil without effecting the painted surface? I have worked with fine art conservators that use either as SOP (depending on application) for cleaning oils, tobacco staining, water damage- etc off priceless works of art.
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Archer
··Omega Qualified WatchmakerYeah- looks like oil. Not that I personally would ever attempt it- but would anyone who does watch restoration/ repair professionally weigh in on using something like Naptha or Denatured alcohol on a dial like this to remove the oil without effecting the painted surface? I have worked with fine art conservators that use either as SOP (depending on application) for cleaning oils, tobacco staining, water damage- etc off priceless works of art.
Only clean a dial with solvents if you are prepared to destroy it...
Everyone seems to be assuming that the dark patches are stained with oil - to me it looks like those patches are what the dial should look like, and the parts that are less black have something on those areas...almost powder like in appearance. If this watch came to me, I would first use the standard cleaning sticks from Bergeon to lift off any loose dirt, but otherwise would leave this alone.
Cheers, Al
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janice&fred
·Yeah- looks like oil. Not that I personally would ever attempt it- but would anyone who does watch restoration/ repair professionally weigh in on using something like Naptha or Denatured alcohol on a dial like this to remove the oil without effecting the painted surface? I have worked with fine art conservators that use either as SOP (depending on application) for cleaning oils, tobacco staining, water damage- etc off priceless works of art.
we had a good personal friend from new jersey named Joel Mussler who sadly is no longer with us. he was an avid vintage watch collector and fellow member of the military watch forum. he was also involved in art and had good luck using naptha for cleaning up old dials. I have never tried it myself and would hesitate as I have no experience in restoring art work or working with old painted surfaces so for myself I would take Al's expert advice and not touch the dial.
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JwRosenthal
·That’s what I was getting at. I know how fine art is conserved and restored but obviously watch dials are different materials with different kinds of exposure- just wondering if there was any overlap in techniques.
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JwRosenthal
·Only clean a dial with solvents if you are prepared to destroy it...
Everyone seems to be assuming that the dark patches are stained with oil - to me it looks like those patches are what the dial should look like, and the parts that are less black have something on those areas...almost powder like in appearance. If this watch came to me, I would first use the standard cleaning sticks from Bergeon to lift off any loose dirt, but otherwise would leave this alone.
Cheers, Al
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janice&fred
·yes Jw my reply was to confirm your thoughts on the similar techniques. I also assumed the dark patches on this dial pictured must be some sort of contaminant like oil but Al pointed out the reality. once we look closer at the pics it's clear there are also dark patches of dial within some of the numerals that match the larger dark areas on the inner portions of the dial. so it does appear the dark areas are indeed the original finish.
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JwRosenthal
·So the powdery coating is most likely the degeneration of the surface treatment...yikes!
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Dan S
·What a bunch of problem-solvers we are. The OP didn't even ask about cleaning the dial. 😁
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JwRosenthal
·Someone pulls up with a Jaguar and asks what we think of the pretty paint job, the conversation will invariably lead to talk of transmission leaks and electrical problems. 😉
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BDHD
·Looks like oil stain from a bit too much lube during a service. I wouldn't give it a second thought. It may just dry up and become invisible over time. Depending on the type of oil.
I wouldn't disturb the dial trying to clean it.
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BDHD
·Yeah- looks like oil. Not that I personally would ever attempt it- but would anyone who does watch restoration/ repair professionally weigh in on using something like Naptha or Denatured alcohol on a dial like this to remove the oil without effecting the painted surface? I have worked with fine art conservators that use either as SOP (depending on application) for cleaning oils, tobacco staining, water damage- etc off priceless works of art.
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BDHD
·Only clean a dial with solvents if you are prepared to destroy it...
Everyone seems to be assuming that the dark patches are stained with oil - to me it looks like those patches are what the dial should look like, and the parts that are less black have something on those areas...almost powder like in appearance. If this watch came to me, I would first use the standard cleaning sticks from Bergeon to lift off any loose dirt, but otherwise would leave this alone.
Cheers, Al
That was my fear. Affect the dial by trying to fix it. According to me, I could damage the color by trying to get a color that I may not notice, but surely that watch looks better with an even dial
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BDHD
·So the powdery coating is most likely the degeneration of the surface treatment...yikes!
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