Rolex Reference Numbers Explained

Learn to decode reference numbers and understand what they reveal about any Rolex

Reference Number Decoder

Enter any Rolex reference number to decode its meaning

Try: 116610LN, 126710BLRO, 116500LN, 228206, 16570

What Is A Rolex Reference Number?

You might be surprised to learn that Rolex reference numbers can reveal quite a bit of information about a watch.

Also known as the model number or style number, these codes provide information about the model type, material, production period, and more.

The reference number isn't just a random string of characters—it's a systematic code that, once understood, allows you to quickly identify the model, era, materials, and special features of any Rolex timepiece.

Rolex reference number engraved on case between lugs

Where to Find It

The model reference number is engraved on the case between the lugs at the 12 o'clock position. You'll need to remove the bracelet to see it.

The Evolution

From 4-digit references in the vintage era, to 5-digit in the 1970s-1999, to today's 6-digit system starting around 2000.

It's a Code

Each section reveals specific details—from model type and materials to bezel style and special features.

What the Length Tells You

4

Vintage Era

Pre-1970s

Four-digit references represent Rolex's earliest standardized numbering system.

Example: 1675

5

Transitional Era

1970s - 1999

Five-digit references introduced more detailed coding for materials and features.

Example: 16610

6

Modern Era

2000 - Present

Six-digit references provide comprehensive information about every aspect of the watch.

Example: 116610LN

Decoding The Structure

1First 2-4 Digits

Model type (Submariner, GMT-Master II, Datejust, etc.)

2Second-to-Last Digit

Bezel style on dress watches (smooth, fluted, rotatable)

3Last Digit

Case material code (steel, gold, platinum, titanium, etc.)

4Letter Suffix

Bezel color or gemstone configuration (when present)

What Makes Them Important

Understanding reference numbers is crucial for several reasons

For Buyers

Quickly verify you're getting the exact model you want with the correct specifications.

For Collectors

Identify generations, track production evolution, and spot non-original configurations.

For Parts Sourcing

Determine exactly which components are compatible with your watch, saving time and preventing costly mistakes.

For Communication

Rather than lengthy descriptions, simply state "ref. 126610LN" and everyone knows exactly what you mean.

Beyond Standard Production

While this guide focuses on Rolex's standard catalog models, it's worth noting that the brand also produces exclusive "off-catalog" pieces for VIP customers. These ultra-rare watches often feature unique gemstone configurations and may have additional letter codes not found in the regular lineup (like "RBOW" for Rainbow Daytonas or "TRU" for baguette ruby bezels).

Decoding the Numbers

Model Starting Digits Examples
Submariner (No Date)55- 140- 1140- 1240-14060, 114060, 124060
Submariner Date16- 166- 1166- 1266-16610, 116610, 126610
GMT-Master II167- 1167- 1267-16710, 116710, 126710
Daytona62- 165- 1165-16520, 116520, 116500
Datejust 3666- 16- 1162- 1262-16234, 116234, 126234
Datejust 411263-126334, 126300
Explorer61- 142- 2142-14270, 124270
Explorer II165- 2165- 2265-16570, 216570, 226570
Sea-Dweller166- 1166- 1266-16600, 116600, 126600
Deepsea1166- 1266- 1366-116660, 126660, 136660
Yacht-Master 40166- 1166- 1266-16622, 116622, 126622
Air-King140- 114- 116- 126-14000, 116900, 126900
Oyster Perpetual 36116- 126-116000, 126000
Milgauss10- 1164-1019, 116400
Day-Date 3618- 1182- 1282-18038, 118238, 128238
Day-Date 402282-228238, 228206
Sky-Dweller326-326934, 326238

The last digit of five and six-digit references reveals the case material.

Code Material Example
0Stainless Steel (Oystersteel)1167100 - GMT-Master II Steel
1Two-Tone Steel & Everose Gold126331 - Datejust Everose Rolesor
2Steel & Platinum (Rolesium)116622 - Yacht-Master Rolesium
3Two-Tone Steel & Yellow Gold116613 - Submariner Yellow Rolesor
4Steel & White Gold (White Rolesor)116264 - Datejust White Rolesor
518k Everose Gold326935 - Sky-Dweller Everose
6950 Platinum228206 - Day-Date Platinum
7RLX Titanium (Grade 5)226627 - Yacht-Master 42 Titanium
818k Yellow Gold116508 - Daytona Yellow Gold
918k White Gold126719 - GMT-Master II White Gold

The second-to-last digit indicates bezel style for dress watches (Datejust, Day-Date, Oyster Perpetual). This doesn't apply to sports models.

Code Bezel Style Example
0Smooth/Domed Bezel126300 - Datejust Smooth Bezel
3Fluted Bezel126234 - Datejust Fluted Bezel
6Rotatable Bezel (Turn-O-Graph)116264 - Datejust Turn-O-Graph

Letter suffixes indicate bezel colors or gemstone configurations. Most are French abbreviations.

Letters Meaning Translation/Description Example
LNBlack BezelLunette Noir (Black Bezel)116610LN - Submariner Black
LVGreen BezelLunette Verte (Green Bezel)116610LV - Submariner "Hulk"
LBBlue BezelLunette Bleu (Blue Bezel)116619LB - Submariner Blue
BLNRBlue/Black BezelBleu Noir - "Batman"116710BLNR - GMT-Master II
BLROBlue/Red BezelBleu Rouge - "Pepsi"126710BLRO - GMT-Master II
VTNRGreen/Black BezelVert Noir - "Sprite"126720VTNR - GMT-Master II
GRNRGray/Black BezelGrise Noir126710GRNR - GMT-Master II
CHNRBrown/Black BezelChocolat Noir - "Root Beer"126715CHNR - GMT-Master II
GVGreen CrystalGlace Verte (Green Sapphire)116400GV - Milgauss
RBOWRainbow BezelMulti-colored Sapphires116595RBOW - Daytona Rainbow
RBRRound Brilliant DiamondsRonde Brilliants278384RBR - Datejust 31
TBRBaguette DiamondsTessellate Brilliants228398TBR - Day-Date 40
SABRSapphire & Diamond BezelSaphirs Brilliants116659SABR - Submariner
SARUSapphire & Ruby BezelSaphirs Rubis116758SARU - GMT-Master II
SATSSapphire & Tsavorite BezelSaphirs Tsavorite116695SATS - Yacht-Master

2024 Current Production References

Complete list of Rolex reference numbers in current production, organized by collection

  • 276200 — Oyster Perpetual 28 (stainless steel)
  • 277200 — Oyster Perpetual 31 (stainless steel)
  • 124200 — Oyster Perpetual 34 (stainless steel)
  • 126000 — Oyster Perpetual 36 (stainless steel)
  • 124300 — Oyster Perpetual 41 (stainless steel)

  • 124060 — Submariner (stainless steel, black bezel)
  • 126610LN — Submariner Date (stainless steel, black bezel)
  • 126610LV — Submariner Date (stainless steel, green bezel)
  • 126613LN — Submariner Date (Yellow Rolesor, black bezel)
  • 126613LB — Submariner Date (Yellow Rolesor, blue bezel)
  • 126618LN — Submariner Date (yellow gold, black bezel)
  • 126618LB — Submariner Date (yellow gold, blue bezel)
  • 126619LB — Submariner Date (white gold, blue bezel)

  • 126710BLRO — GMT-Master II (steel, Pepsi bezel)
  • 126710BLNR — GMT-Master II (steel, Batman bezel)
  • 126710GRNR — GMT-Master II (steel, gray/black bezel)
  • 126720VTNR — GMT-Master II (steel, Sprite bezel)
  • 126713GRNR — GMT-Master II (Yellow Rolesor, gray/black bezel)
  • 126711CHNR — GMT-Master II (Everose Rolesor, Root Beer bezel)
  • 126718GRNR — GMT-Master II (yellow gold, gray/black bezel)
  • 126715CHNR — GMT-Master II (Everose gold, Root Beer bezel)
  • 126719BLRO — GMT-Master II (white gold, Pepsi bezel)

  • 126500LN — Daytona (stainless steel, black bezel)
  • 126503 — Daytona (Yellow Rolesor)
  • 126508 — Daytona (yellow gold)
  • 126518LN — Daytona (yellow gold, black bezel, Oysterflex)
  • 126598TBR — Daytona (yellow gold, diamond bezel)
  • 126538TBR — Daytona (yellow gold, diamond bezel, Oysterflex)
  • 126509 — Daytona (white gold)
  • 126519LN — Daytona (white gold, black bezel, Oysterflex)
  • 126579RBR — Daytona (white gold, diamond bezel)
  • 126589RBR — Daytona (white gold, diamond bezel, Oysterflex)
  • 126539TBR — Daytona (white gold, baguette diamond bezel, Oysterflex)
  • 126505 — Daytona (Everose gold)
  • 126515LN — Daytona (Everose gold, black bezel, Oysterflex)
  • 126595TBR — Daytona (Everose gold, baguette diamond bezel)
  • 126535TBR — Daytona (Everose gold, baguette diamond bezel, Oysterflex)
  • 126506 — Daytona (platinum, brown bezel)

  • 124270 — Explorer 36 (stainless steel)
  • 124273 — Explorer 36 (Yellow Rolesor)
  • 224270 — Explorer 40 (stainless steel)
  • 226570 — Explorer II (stainless steel)

  • 126600 — Sea-Dweller (stainless steel)
  • 126603 — Sea-Dweller (Yellow Rolesor)
  • 136660 — Deepsea (stainless steel)
  • 136668LB — Deepsea (yellow gold, blue bezel)
  • 126067 — Deepsea Challenge (titanium)

  • 268622 — Yacht-Master 37 (Rolesium)
  • 268621 — Yacht-Master 37 (Everose Rolesor)
  • 268655 — Yacht-Master 37 (Everose gold, Oysterflex)
  • 126622 — Yacht-Master 40 (Rolesium)
  • 126621 — Yacht-Master 40 (Everose Rolesor)
  • 126655 — Yacht-Master 40 (Everose gold, Oysterflex)
  • 226658 — Yacht-Master 42 (yellow gold, Oysterflex)
  • 226659 — Yacht-Master 42 (white gold, Oysterflex)
  • 226627 — Yacht-Master 42 (titanium)

  • 126900 — Air-King (stainless steel)

Examples From Our Database

See reference numbers in action with real watches from our inventory

Why Rolex Reference Numbers Matter

Authenticity Verification

Reference numbers are your first line of defense against counterfeits and modifications. A stainless steel Datejust 36 with reference number 126200 should have a smooth steel bezel—if it has a white gold fluted bezel, that's a clear sign of non-original parts or potential fakery.

Understanding Watch History

Since Rolex's design language is remarkably consistent, reference numbers are the easiest way to identify generations. The 124060 and 114060 Submariners look almost identical, but the former is the current model with a 41mm case and Caliber 3230 movement.

Sourcing Compatible Parts

When you need replacement components—whether bracelet links, dials, or movement parts—the reference number tells you exactly which parts are compatible. This precision saves time and prevents costly mistakes.

Efficient Communication

Rather than saying "current-generation stainless steel Submariner Date with black dial, black bezel, and Caliber 3235 movement," you can simply say "ref. 126610LN"—and convey all the same information instantly.

Understanding Rolex reference numbers isn't just academic—it's essential knowledge for collectors, buyers, sellers, and anyone serious about these timepieces. Once you crack the code, you can quickly navigate Rolex's entire catalog and gain deeper appreciation for the brand's evolution.

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