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Old 28 November 2019, 10:19 PM   #1
julli
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Rolex DD 1803 strange colour!

Hi all,

When I had my 18K yellow gold 1803 DD opened for the first time (I purchased it 15 years ago) the case back and opening of the mid case struck me as strange.

Can anyone explain the "non yellow gold" appearance on the case and case back?

regards,
Julli
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Old 30 November 2019, 10:49 PM   #2
gunhose
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It's white gold or its a fake. What color is the outside ???
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Old 30 November 2019, 10:55 PM   #3
julli
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I don't think it is fake, all case stamps seem correct. I thought it was a yellow gold DD, now I am nor so sure.
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Old 30 November 2019, 11:00 PM   #4
julli
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Rolex 1803 DD

The details suggest authentic Rolex 1803 DD made in 1976 customised by Rolex.
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Old 2 December 2019, 04:07 PM   #5
RJK
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It seems odd that a ‘76 DD doesn’t have a “T SWISS T” on the dial. The back of the case should also be a completely gold color because that’s what it is...solid yellow gold. It appears the “yellow” has bled onto certain portions of the case where it’s silver in color.

I think you should have your watch authenticated by an AD/Rolex watchmaker.
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Old 2 December 2019, 10:20 PM   #6
gunhose
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Are color blind ? Seriously you can't tell the difference between yellow and silver ?
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Old 3 December 2019, 05:18 AM   #7
julli
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Thank you all for advice and interest in this story. I took the watch to my watchmaker today where it was disassembled. Then I took the case components to a jeweller for case material testing. The watch is original 18k yellow gold but has been plated white gold inside the case and case back (for what reason I can only guess until I have contact with the previous owner). The dial is made by Rolex but relatively recently as it has Luminova, so 2000 or later. So where I stand now: This is an 1976 Rolex 1803 Yellow gold 18k President Day-Date that had a major service this century where the dial was changed and the case plated on the inside. Will try to post pictures later.

regards,
Julli
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Old 3 December 2019, 05:20 AM   #8
julli
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Rolex 1803.

Thank you all for advice and interest in this story. I took the watch to my watchmaker today where it was disassembled. Then I took the case components to a jeweller for case material testing. The watch is original 18k yellow gold but has been plated white gold inside the case and case back (for what reason I can only guess until I have contact with the previous owner). The dial is made by Rolex but relatively recently as it has Luminova, so 2000 or later. So where I stand now: This is an 1976 Rolex 1803 Yellow gold 18k President Day-Date that had a major service this century where the dial was changed and the case plated on the inside. Will try to post pictures later.
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Old 3 December 2019, 07:47 AM   #9
julli
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Thank you all for advice and interest in this story. I took the watch to my watchmaker today where it was disassembled. Then I took the case components to a jeweller for case material testing. The watch is original 18k yellow gold but has been plated white gold inside the case and case back (for what reason I can only guess until I have contact with the previous owner). The dial is made by Rolex but relatively recently as it has Luminova, so 2000 or later. So where I stand now: This is an 1976 Rolex 1803 Yellow gold 18k President Day-Date that had a major service this century where the dial was changed and the case plated on the inside. Will try to post pictures later.
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Old 6 December 2019, 11:02 PM   #10
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Quote:
Originally Posted by julli View Post
Thank you all for advice and interest in this story. I took the watch to my watchmaker today where it was disassembled. Then I took the case components to a jeweller for case material testing. The watch is original 18k yellow gold but has been plated white gold inside the case and case back (for what reason I can only guess until I have contact with the previous owner). The dial is made by Rolex but relatively recently as it has Luminova, so 2000 or later. So where I stand now: This is an 1976 Rolex 1803 Yellow gold 18k President Day-Date that had a major service this century where the dial was changed and the case plated on the inside. Will try to post pictures later.
Are you certain it wasn't originally white gold and replated yellow in the outside?? That would make much more sense and from your pictures there appear to be whiteish areas as if a yellow gold plating has worn off (may just be reflections)

An interesting one for sure
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