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Old 15 July 2019, 09:21 PM   #1
joemack83
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Rolex Serial Number - Letters to Numbers...

Just wondering if anyone knew how many letters vs numbers should there be in a Rolex.

Specifically in a Sub ND?

AD mentioned there should only be one letter - is this true?

Lastly any views on Prestons as an AD? Experience with recent purchases?
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Old 15 July 2019, 09:26 PM   #2
THC
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my 2018 DJ41 has only one letter, but that does not mean all do. Random means random and no AD knows everything about what Rolex does
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Old 15 July 2019, 09:41 PM   #3
Dsmith1974
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Think of each alphanumeric digit as a base 36 number (10 for 0-9 and 26 for A-Z)

So A has a value of 10 and B has a value of 11 and so on.

Asking how many can be characters is the same as asking how many can be less than 5. They all could or none could.


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Old 15 July 2019, 09:50 PM   #4
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The "old" serial numbers have 7 digits with 1 letter and 6 numbers for example A123456.

The new random serial numbers have 8 digits which can be letters and numbers for example 123X456Y.
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Old 15 July 2019, 10:24 PM   #5
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Quote:
Originally Posted by REFZ View Post
The "old" serial numbers have 7 digits with 1 letter and 6 numbers for example A123456.

The new random serial numbers have 8 digits which can be letters and numbers for example 123X456Y.
this.
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Old 15 July 2019, 10:45 PM   #6
SoTaxLaw
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Quote:
Originally Posted by joemack83 View Post
Just wondering if anyone knew how many letters vs numbers should there be in a Rolex.

Specifically in a Sub ND?

AD mentioned there should only be one letter - is this true?

Lastly any views on Prestons as an AD? Experience with recent purchases?
My no date Sub (that I bought new this year at my AD) has two letters. Random serials are random.

Last edited by SoTaxLaw; 15 July 2019 at 10:45 PM.. Reason: Clarity
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Old 15 July 2019, 10:52 PM   #7
joemack83
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Quote:
Originally Posted by SoTaxLaw View Post
My no date Sub (that I bought new this year at my AD) has two letters. Random serials are random.
ok thank you all, i suppose it is ok to have one letter and seven numbers / 2018 watch.
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Old 15 July 2019, 11:07 PM   #8
padi56
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Quote:
Originally Posted by joemack83 View Post
ok thank you all, i suppose it is ok to have one letter and seven numbers / 2018 watch.
Exactly some have one letter others might have more, its just a random case serial nothing more, and every one unique to that case.
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Old 16 July 2019, 12:14 AM   #9
blufinz52
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My Milgauss has 6 numerals, 2 letters.
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Old 16 July 2019, 06:40 AM   #10
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Is it really random or we just don’t know the logic behind the alphanumeric number?


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Old 1 August 2019, 12:37 AM   #11
Keithwceb2
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I recently inherited a bunch of my Father's watches. Several Rolex amongst them. I given them to various nephews. But I've kept one because of its small size. Something has me perplexed. On the paperwork its box there are 2 sets of numbers. R16013320B6252 & then 9311418 When I search the 9311418 in various sites to look at its age, that # comes back at 1986 Yet when I search the R16013320B6252 it comes back as 1987/1988 Can anyone explain this?
Cheers, Keith
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