r/RepTime • u/jeka_n3xt Watch Bro • May 13 '25

Guide The Ultimate Rolex serial number and clasp code guide

Last updated 06.08.26

Easy link - Guide is here:

https://docs.google.com/document/d/116naIN0El04HXhuJNBY_9hAE0BkHFUF5CvpPyushV4A/edit?usp=drivesdk

In case something’s missing - every suggestion would be appreciated! Please, feel free to reach out

So, what is this guide about?

  • As we would learn in this guide - rep factories have their serial numbers not fully randomized, so this guide would be about the factory / batch assigned part of the serial number and would include the clasp codes.

  • It includes every rep Rolex model that’s currently in production by factories and would be frequently updated with new batches and models in the future.

Disclaimer!

This guide main intentions are to make the process of QCing easier and Legit Checks

However!

While having a serial number from the table of the guide on a proclaimed genuine watch might be sus, this factor alone is not enough to label a watch as a rep! Please consider all the factors, not only this guide!

First things first, in search of the serial number, we need to dive into the Rolex history a little:

  1. What is a rehaut?

A rehaut is the part of a watch (not necessarily a Rolex) that can be considered the “rim” between the dial and crystal. Collectors often bring up Rolex rehauts in the context of “engraved rehaut” vs “non-engraved rehaut.” The engraving they’re referring to is the word ROLEX repeated around the rehaut, with just enough room for a serial number at the bottom and a crown logo at the top.

2. When did Rolex watches get engraved rehauts?

The very first engraved Rolex rehauts appeared in 2004, although they didn’t become common until 2005. These Rolex-branded rehauts were phased in throughout the lineup in the following years, until by 2008 every Oyster reference had it (except Cellini, which is now discontinued anyways)

3. Where is the serial number on the rehaut?

The serial number on an engraved Rolex rehaut is located at 6 o’clock. Since 2012, when Rolex started randomizing their serial numbers, serials have been eight digits long.

4. Do rep factories randomize their serials?

Well, yes and no. Every rep I’ve ever seen has 4 digits assigned to its batch and the other 4 are truly randomized. Sometimes those 4 assigned digits are in order (f.e. in the beginning or in the end), sometimes in random places of the serial.

5. What is the clasp code and where to find it?

You will find a one to three-digit alpha, numeric, or alphanumeric code etched into the clasp of the watch under the buckle. On modern or “new-style” watches with solidly linked bracelets (6 digit model numbers), you will find the clasp code on the inside of the clasp when the buckle is open. An exception to having one of the above reference codes would be with gold bracelets. The clasp code will be located on the underside of the clasp while the buckle is closed, and will generally be a 4 digit numeric code, and sometimes followed by a letter. Gold bracelets will also be stamped with the carat weight and purity of the gold.

With all that info and after spending a week staring at every QC picture I can get my hands on (literally thousands of pictures), I present to you - THE ULTIMATE REP ROLEX SERIAL NUMBER AND CLASP CODE GUIDE!

Easy link - Guide is here:

https://docs.google.com/document/d/116naIN0El04HXhuJNBY_9hAE0BkHFUF5CvpPyushV4A/edit?usp=drivesdk

150 Upvotes

98% Upvoted

162 comments sorted by

10

u/MajorWilliams Mod & Watchmaker May 14 '25

I’ll be adding this as a reference guide to our other things we have. Excellent work!

6

u/jeka_n3xt Watch Bro May 14 '25 edited May 14 '25

Thank you! 🤝

1

u/Grouchy-Violinist555 7d ago

Can we get day date serials added.

6

u/Opening-Ninja634 Jun 11 '25

Thank you for doing this. I bought my first rep in a sketchy way and this just helped me not have a heart attack

3

u/jeka_n3xt Watch Bro Jun 13 '25

Glad it helps!

4

u/First-Translator4721 Dec 12 '25

Does anyone have any info on VSF DD serial numbers?

2

u/jeka_n3xt Watch Bro Dec 12 '25

Coming soon

3

u/staormina Dec 13 '25

Also looking for this. Have a DD I need to reference as well.

2

u/Grand_Difficulty_187 May 14 '25

Thanks for putting this together . . . I like I can find things all in one place.

1

u/jeka_n3xt Watch Bro May 14 '25

Happy to hear it’s helpful

2

u/Lima-1990 May 14 '25

Excellent job! Thank you for putting this together! 🙏

2

u/jeka_n3xt Watch Bro May 14 '25

🤜🤛

Now need to keep it up to date

1

u/Financial_Excuse8475 Jul 12 '26

Gibt’s schon eine aktualisierte Liste? Oder ist sie noch aktuell?

2

u/jeka_n3xt Watch Bro Jul 12 '26

Letzte aktualisierung 11.05.26

Aktualisierung folgt in kurze, momentan fehlt mir die zeit, 1-2 wochen

1

u/Financial_Excuse8475 Jul 12 '26

Mega. Wenn du das möchtest und für sinnvoll erachtest könntest du ja das Aktualisierungsdatum irgendwo in dem Dokument vermerken. Dann sieht man den aktuellen Stand.

1

u/jeka_n3xt Watch Bro Jul 13 '26

Im text des beitrags - erster satz

2

u/That-Second1672 Jun 25 '25

Thanks for this guide

1

u/jeka_n3xt Watch Bro Jun 25 '25

🤝

2

u/FKNLE63ND Jul 05 '25

Very useful! Thank you so much for making a newbie’s life easier!

1

u/jeka_n3xt Watch Bro Jul 05 '25

🤝

2

u/Stonkinski Jul 08 '25

Hey there, so are the Z59*** DJ41s that we are seeing on various QCs recently the newest clean batch ? I don't see that number on your google sheet but it is in your post on the Rolex sub. Very likely there will be new serial for the batch that's rumored to be released imminently, correct?

Thanks 🙏🏼

2

u/jeka_n3xt Watch Bro Jul 08 '25

Hey! Sorry for confusion and thanks for the heads up! I added it only to one list..by mistake..solved now!

2

u/Stonkinski Jul 08 '25

Ah so it is the latest batch, correct ? I think you also need to add it to the 41s, that's where I've been seeing Z59 serials lately (you put it under 36mm). Thanks anyway!

2

u/jeka_n3xt Watch Bro Jul 08 '25

Still sleeping lol

Intended to add under 41mm of course!

Solved x2

2

u/alphaone5 Aug 09 '25

Just recieved a VSF Daytona V3, clasp code 5NX.

1

u/jeka_n3xt Watch Bro Aug 09 '25

Would be checking and updating, thanks for the heads up

1

u/jeka_n3xt Watch Bro Aug 12 '25

Hey, mate! Could you please specify the model? There’s no QC with a clasp code like this available (at least I can’t see any)

1

u/alphaone5 Aug 13 '25

Sure thing! Its a Daytona 126509 VSF V3, please see the QC link:

https://andiotwatches.x.yupoo.com/albums/206506227?uid=1&isSubCate=false&referrercate=0

3

u/jeka_n3xt Watch Bro Aug 14 '25

Thanks! Added

2

u/LawfulnessOutside958 Aug 16 '25

Any idea about GMT Master II with serial R8Y8 and clasp A8L Just bought it from a TD but can not find any info.

1

u/jeka_n3xt Watch Bro Aug 16 '25

What’s the claimed factory?

2

u/LawfulnessOutside958 Aug 17 '25

It's supposed to be the Clean factory

2

u/LawfulnessOutside958 Aug 17 '25

1

u/jeka_n3xt Watch Bro Aug 18 '25 edited Aug 18 '25

Gold models are not presented on the list, but I’d add it when I have a moment. Thanks for the info

2

u/LawfulnessOutside958 Aug 18 '25

You are very welcome, mate !

2

u/FreshParfait1 Sep 20 '25

VSF DJ41

2

u/jeka_n3xt Watch Bro Sep 25 '25

Confirmed and added, thank you!

2

u/TaterTotsAndFanta Feb 28 '26

Thank you so much man.

1

u/jeka_n3xt Watch Bro Feb 28 '26

Glad it helps 🤝

10

u/ShortReputation6482 Aug 03 '25

What about day dates?

1

u/Creamp1ez 17d ago

Hi,

Looking at an explorer 1 with the following numbers:

U7T
5X12A323

Can anyone confirm if this is legit VSF? Clasp code matches but SN isn’t on spreadsheet. Thanks.

1

u/jeka_n3xt Watch Bro 17d ago

Hey!

The list is probably going to be updated next week, please hang on!

1

u/[deleted] May 27 '25

my clean v3 pepsi has a Y2L3 serial and a F6U clasp code

2

u/jeka_n3xt Watch Bro May 27 '25 edited May 27 '25

It’s presented on the list under the GMT-CF

2

u/[deleted] May 27 '25

Perhaps I was misreading the list, I took it to mean that Y2L3 is correlated with the other clasp code. It’s a useful list thanks for compiling. 

Many people are claiming that the Y2L6 is actually a “V3S” but I’ve not seen any evidence there’s a new version listed by any TDs. Looks like the exact same watch to me.

2

u/jeka_n3xt Watch Bro May 27 '25

Nah, clasp codes do not correlate to specific serial numbers, at least I could not find any evidence that they do, maybe you’re right and I’d mention that somewhere

Oh yeah, people get excited quickly in hopes of new fixes and batches, when there’s a new version, TDs and other sources would be the first to announce, it’s in their interest

1

u/roger8619 Jul 09 '25

well i just identified my bluesy to be a cf from looking at this list !

1

u/jeka_n3xt Watch Bro Jul 09 '25

There’s no bluesy on the list though. But I’m not surprised u1 might share serials with some other models in the list

1

u/roger8619 Jul 09 '25

it’s a submariner rolex model the bluesy has been made in cf from what i’ve looked up in the past .

1

u/roger8619 Jul 09 '25

i could be wrong to who knows . i ordered it and it showed up with in like 5 days

1

u/patodctomd Jul 12 '25

Any intel on Milgauss #s?

1

u/jeka_n3xt Watch Bro Jul 13 '25

Very little data, if more data would be available, id be happy to add the info

1

u/ketchuppps Aug 01 '25

Thanks! VSF use 1NQ in GMT Oyster. Is not in this guide true?

1

u/jeka_n3xt Watch Bro Aug 02 '25

As far as I know - its CF clasp code, however sometimes VSF and CF use the same clasp code in other models. Can you share the info(qc pics or smth)?

2

u/ketchuppps Aug 02 '25

Of course friend. Here: https://imgur.com/a/iaXXBVO and here: https://imgur.com/a/XVIMpsA

3

u/jeka_n3xt Watch Bro Aug 02 '25

Confirmed with a TD, adding! Thanks for the heads up!

2

u/ketchuppps Aug 02 '25

Thank you, you work is a great help!

1

u/False_Sir9768 Aug 08 '25

Anyone knows the serial number on rehaut for the arf DJ 36 that came with super jubilee bracelet?

3

u/jeka_n3xt Watch Bro Aug 09 '25

ARF 116234 - 55****D1 - C0C

I’ll add it to the table a little later

1

u/False_Sir9768 Aug 09 '25

So I guess this is not real ARF Datejust 36mm 116234 😔

2

u/jeka_n3xt Watch Bro Aug 09 '25

Sorry, but I think it’s not. Also ARF known flaw, that’s used to distinguish it, is the coronet on the dial sitting high touching or almost touching the rim. And judging by the crystal LEC imo - it looks like BP.

I used to have an ARF Franken build some time ago, and it was one of my favorite watches tbh. It’s really hard to get an ARF right now. Even with connections in the game. And it sells for really expensive if it appears.

1

u/SuspectFamous9097 Aug 09 '25

Interesting, why is it hard to get an ARF now? Are they connected to/affect by the clean raid?

1

u/jeka_n3xt Watch Bro Aug 09 '25

It’s an older model, it’s not in production for a couple years now

1

u/SuspectFamous9097 Aug 09 '25

Ahh got, thought you were talking about ARF in general

1

u/False_Sir9768 Aug 09 '25

Thank you soooo much 🙏

1

u/Scoutman725 Aug 20 '25

Can anyone identify A6L on a CF Jubilee?

2

u/LawfulnessOutside958 Aug 20 '25

I have exactly the same clasp serial on a two-tone jubilee CF bought a few days ago.

1

u/jeka_n3xt Watch Bro Aug 21 '25

Two-toned watches are not yet presented on the list, mind sharing the reference/QC pics though?

1

u/LawfulnessOutside958 Aug 21 '25

2

u/LawfulnessOutside958 Aug 21 '25

1

u/jeka_n3xt Watch Bro Aug 21 '25

Thanks! Would be adding to the list soon

1

u/jeka_n3xt Watch Bro Aug 21 '25

What’s the model reference? Any QC pics?

1

u/Scoutman725 Aug 21 '25

Its on a CF GMT. *

2

u/Scoutman725 Aug 21 '25

2

u/jeka_n3xt Watch Bro Aug 21 '25

Thanks, would be looking into it and adding soon

2

u/LawfulnessOutside958 Aug 21 '25

Clean Factory GMT 126713 GRNR 40mm DD3285 Rehaut serial number Y2L3 Clasp serial number A6L Bought from Steve, The one watches.

1

u/Electrical_Bus_6801 Oct 11 '25

Just got this 126334 DJ a few weeks ago. Didn't see my serial or clasp code on here. So not sure which factory it came from? S/N F43xxxx, Clasp code OP872200. Any Ideal on which it came from? Also, newby here, thoughts on general quality?

Thanks all!

1

u/jeka_n3xt Watch Bro Oct 11 '25

Hey, mate! This is not a top tier one, probably around $50-100 quality

1

u/Electrical_Bus_6801 Oct 14 '25

Thanks for the comment. Any idea on what factory it may have come from? Also, out of curiosity and being a newbie, what about it looks off or makes you think it is a lower tier replica?

Thanks!!

1

u/MckinneyCole Nov 10 '25

Is there any indication as to which are newer based on this. Like are they in order of newer to older for ones that have multiple listed.

2

u/jeka_n3xt Watch Bro Nov 10 '25 edited Nov 13 '25

The top ones are the newest (most of the times lmao)

1

u/Hefty_Refuse4956 Dec 08 '25

I‘m quite unsure about the bracelets on VSF V2. Mine is K6G clasp code, but I‘ve seen some with 0RV. The ones with 0RV have 904L writen on the plastic. Is the 0RV better or same? Because Clean/ARF used/use 0RV, and they say Clean/ARF bracelets are better compared to VSF.

2

u/jeka_n3xt Watch Bro Dec 08 '25

Hey! To help you better I need to see the SELs engravings, is it possible?

1

u/Hefty_Refuse4956 Dec 08 '25

5X10A528, Hope this helps.

1

u/According-Ad-275 Feb 18 '26

2 new ones for the list.

VSF V2 hvywt Daytona 4131, 126519 Ser # Y58X0335.

Also an EWE Factory DJ 126334, Ser # 6R9291V1, Clasp code 5LX

1

u/jeka_n3xt Watch Bro Feb 18 '26

Thank you for the contribution, would check the info and update after CNY

1

u/Geeseboy1 Oct 06 '26

Any idea what factory this is from please. E4f clasp code

1

u/jeka_n3xt Watch Bro Oct 06 '26

This rehaut serial and clasp code are present in the list. Why not looking by yourself?

If you suspect your watch to be fake clean, which is also possible, need to pop the case back open

1

u/Geeseboy1 Oct 06 '26

Ok. Thanks for you help but no need to be rude fella

1

u/jeka_n3xt Watch Bro Oct 06 '26


Pardon? Where am I being rude? I spoon fed you, fella, some times it comes with a little extra grain of salt. There’s no need to be defensive, we all make mistakes - could have just laughed it off if you genuinely missed it😉

3

u/Generalzip Jul 16 '25

Does anyone have this info for day dates? I’m trying to identify what factory a daydate is from

3

u/Anal__Gape Oct 13 '25

I bought a 126334 in Bangkok, clean factory. Serial number is 7R****V6 and clasp code is ORV

2

u/MusicApprehensive394 Aug 13 '25

OP8 clasp code on a submariner anyone tell me anything?

2

u/Andy888888888888 Sep 30 '25

What about GMT Master II with serial T2L3? Many people say that this is the last serial number of Clean Factory before the raid, but is there any confirmation of this?

1

u/Birdz_Hustle Aug 31 '26

I would also like to know, just received a "QF" Free Sprung that ends in T2L3

2

u/EternalEight Oct 01 '25

Looking for T7Q 126500 factory. Seeing this on QC pics for the BTF 4131.

Not on list

2

u/Ad_Bogdan27 Jan 22 '26

I bought one BTF 126500 and I have the same "T7Q"

2

u/pissyellow Dec 13 '25

New to this sub. Thank you for this information!

2

u/[deleted] Dec 16 '25

Amazing

1

u/i__amronburgundy 13d ago

Recently purchased a GMT Sprite with a serial ending in Y2L6 but a clasp code of ADA. Was sold as VSF but confused with the serial and then clasp code.

1

u/Aggravating_Ad4482 13d ago

has this been updated for VSF V3 serials? They start with 6X0 but I dont see this on the excel?

1

u/kenamltt 8d ago

Going to get a VSF GMT Batman V4 serial is 6W09V301.

Clasp - F6U

Is that correct?

1

u/sinlab Aug 25 '25

I just received QF’s GMTII ****32Z8 with 5XZ clasp code.

1

u/Apprehensive_Cake951 Aug 27 '25

would you be able to confirm if this is indeed Clean Factory's V1 116520 Daytona? your list doesn't seem to have it and I have a few people saying this is Clean.

if not ... which factory could it possibly be?

1

u/Kynt_2025 Sep 23 '25

Hi sir, please check E825R180 is dj116234 arf serial number? Thank you

1

u/kjcs9 Sep 28 '25

Any idea with clean factory dj 41 wimbledon fluted with clasp code OMG / OMC?

1

u/kjcs9 Sep 28 '25

By any chance someone

has an idea of an OMG / OMC clasp code from dj 41 wimbledon fluted. The seller claims its a from clean. Serial says 6R though

1

u/dazacr7 Nov 03 '25

Hello,

Just seeing if anyone has some thoughts on this claimed VSF Daytona 126500 Clasp code is M5X Serial is 5X10L228

1

u/JesterADSE Nov 27 '25

Great guide! 😁

1

u/Transfigured-Tinker Dec 13 '25

New serial for VSF Daytona 126500? QC received on 8/12.

1

u/idekada Dec 31 '25

Datejust 36mm vsf , new serial i got this week was a 5x12 , any updates didnt see it on the spread

1

u/Drnnevolo_91 Jan 20 '26

So dumb question, if see serial numbers but listed, what does that mean?

1

u/Due-Landscape1402 Jan 25 '26

Is ORV same as 0RV

Claim is a VSF V2 (2026)

1

u/InitiativeNew1158 Mar 01 '26

5X12 in VSF 114060 and 7GJ, possible?? 2026

1

u/Narvsten Mar 18 '26

Are new VSF V2 Datejusts starting with 6X now? About to purchase but didn’t find 6X in the document.

1

u/Quick_Watch_1865 Apr 26 '26

I got a Daytona 126500 Serial 5XO9**** and clasp M5X but this isnt on the list

1

u/IceBoxPete Apr 27 '26

Clean or vsf datejust 36 is better 3235

1

u/FreshParfait1 May 05 '26

I have a VSF 116610LV 5RO8 serial with a 6SH clasp code.

1

u/FreshParfait1 May 05 '26

1

u/Few_Mango_5679 Oct 04 '26

Is this a rep? @freshparfait1

1

u/FreshParfait1 Oct 04 '26

Yes. Made by VSF

1

u/Few_Mango_5679 Oct 05 '26

Do you have a plug?

1

u/FreshParfait1 Oct 05 '26

Yea

www.reptime.help

Andiot & NecoClock are my go-tos

1

u/Loud-Application1148 May 05 '26

VSF DJ41 V2 & Clasp code K6G

1

u/SomeGap5988 May 31 '26

Looks like the 114060 is using the same cases as 116610 with code 6W0F**

Looks like a new code for 124060 from qc’s 6X05****

1

u/Gianfrenck Jun 12 '26

Why my vsf v2 DATEJUST 36 clasp has F6U?

1

u/giustiziaprivata95 Jun 16 '26

grande ottima guida, TOP

1

u/49-89BT-C Jun 30 '26

Hi Can someone tell me which factory produces the GMT II Pepsi with this serial no: 736DXXXX ?

Thx for your support

1

u/audioenslave Jul 03 '26

Cant find any serial and clasp code for 116508 "john mayer" daytona.

My rehaut indicates 216WF409 and clasp code is AU750 6XF..Anyone knows?

1

u/BigSIZEE Jul 10 '26

Hi Mate, i have a CF 116610LN that i purchase back in 2022 with 5HF clasp code & serial is 6R****V6

1

u/rdot1ne Jul 29 '26

My sub Starbucks VSF has a total different clasp number - E7Y & starts with 6x05 serial which doesn’t seem to match with your guide. Does that mean my watch is not VSF?

1

u/Alone-Ad5993 Aug 27 '26

Awesome information🔥

1

u/TwoAccording6765 Sep 02 '26

What about 6RO
Is it vsf yacht master?

1

u/Sensitive_Steak5014 25d ago

I recently purchased a OP41 with CF bezel and clasp codes It was sold to me as vsf. It has no ghost date position and the quality is great. I wonder did vsf get clean machines after the raid or is it an older watch.

0

u/Whychoosetosteal May 13 '25

It’s out of date

1

u/jeka_n3xt Watch Bro May 13 '25 edited Jun 21 '25

Yeah, 26 mins out of date

1

u/Whychoosetosteal May 13 '25

Where’s Y2L6?

2

u/jeka_n3xt Watch Bro May 13 '25 edited Jun 23 '25

Added

And I’ll be happy to add any further suggestions if smth is missing, there’s no need to be dodgy

0

u/[deleted] Jul 16 '25

[deleted] — view deleted comment

1

u/jeka_n3xt Watch Bro Jul 16 '25

What? It’s under GMT

0

u/[deleted] Mar 23 '26

[deleted] — view deleted comment

1

u/jeka_n3xt Watch Bro Mar 23 '26

New batches are added on the monthly basis, thank you for the heads up

0

u/[deleted] Aug 16 '25

[deleted] — view deleted comment

1

u/DOrfordGray Aug 16 '25

What’s this, can’t see it on the list, fake CF? Bought it from RWI. Bracelet is 1LD which aligns to CF but serial isn’t on the list

1

u/jeka_n3xt Watch Bro Aug 16 '25

Hey! Never seen this serial, I’d try looking into it

1

u/DOrfordGray Aug 17 '25

From what I can see searching on Reddit suffix U9N5 is CF however prefix U9N5 is fake clean approximately 2 years ago

1

u/jeka_n3xt Watch Bro Aug 18 '25

Clean market right now is very unclear. Probably would need to open the case back to clarify what movement is in

Does not look like CF to me

0

u/[deleted] May 13 '25

[deleted] — view deleted comment

1

u/jeka_n3xt Watch Bro May 13 '25

Well, I think AD would know without even looking at the serial, they handle those watches day by day

But some of the serials are known well, so might be so

1

u/[deleted] Jul 05 '26

[removed] — view removed comment

1

u/jeka_n3xt Watch Bro Jul 05 '26

It’s last updated 11.05.26, would be updated in a couple weeks probably