Rolex Metal Codes

Rolex Materials by Reference Explained

When it comes to Rolex watches, reference numbers tell a story. These seemingly cryptic and random number combinations contain key details about a watch's model, bezel type, and most importantly for this guide the material used in the watch's construction. Whether you're buying your first Rolex or you're a seasoned collector, understanding Rolex metal codes helps you decode what you're really getting.

Below is a breakdown of Rolex’s metal codes, the last digit in a 6-digit Rolex reference number, and what each number reveals about the metal used.

What Are Rolex Metal Codes?

Every Rolex reference number has a structure. For modern Rolex watches (typically 6 digits), the last digit signifies the metal type used in the watch case and bracelet. For example:

Rolex Daytona ref. 126500 → Last digit: 0

While reference numbers contain other information (model type, bezel style, etc.), the metal code is crucial for distinguishing between steel, gold, two-tone, and platinum variants of the same model.

The Rolex Metal Codes List: What Each Number Means

Code 0: Stainless Steel

Description: Rolex’s proprietary Oystersteel (904L stainless steel)
Example: Daytona ref. 126500LN ("Panda")

Notes:

Code 1: Stainless Steel + Everose Gold (Two-Tone)

Description: A blend of Oystersteel and Rolex’s patented Everose Gold
Example: Datejust 41 ref. 126331

Why it matters:

Code 2: Stainless Steel + Platinum (Bezel)

Description: Oystersteel case with platinum bezel
Example: Yacht-Master 40 ref. 126622

Why it matters:

Code 3: Stainless Steel + Yellow Gold (Two-Tone)

Description: Combination of Oystersteel and 18K yellow gold on case and bracelet
Example: Daytona ref. 126503

Why it matters:

Code 4: Stainless Steel + White Gold

Description: Often features a white gold bezel on a stainless steel case
Example: Datejust 41 ref. 126334
Why it matters: Offers subtle luxury with a premium fluted bezel, but retains the clean look and strength of a steel case.

Code 5: 18K Everose Gold

Description: Full case and bracelet made of Rolex’s non-fading rose gold alloy
Example: GMT-Master II ref. 126715CHNR
Why it matters: Crafted to resist discoloration over time, perfect for those wanting warm tones with Rolex’s long-term wear performance.

Code 6: Platinum

Description: Made from solid 950 platinum. Rolex’s most prestigious metal
Example: Daytona 40 ref. 126506
Why it matters: Heaviest and most exclusive metal in the Rolex catalog, often paired with ice-blue dials to signify true platinum status.

Code 7: 14K Yellow Gold (Formerly) / Titanium (Current)

Description: Used in vintage Rolex models from the 1970s–80s
Example: Date ref. 15037
Why it matters: Now discontinued, these pieces offer vintage appeal and unique market value for collectors of classic-era Rolexes.

New Material: As of 2023, Rolex has begun using Code 7 to identify its RLX Titanium watches, a major shift from its historic use for 14K yellow gold.

Description: Rolex has reassigned Code 7 to designate watches made from grade 5 titanium, known as RLX Titanium
Example: Yacht-Master 42 ref. 226627
Why it matters: Titanium is lightweight, strong, and corrosion-resistant. Ideal for professional use and active lifestyles. This material marks a bold new direction for Rolex in modern tool watches.

Code 8: 18K Yellow Gold

Description: Full case and bracelet crafted in 18K yellow gold
Example: GMT-Master II ref. 126718
Why it matters: A timeless statement of success, it has iconic status across Rolex collections.

Code 9: 18K White Gold

Description: Entire watch crafted from 18K white gold
Example: Day-Date ref. 228239
Why it matters: Offers the discreet appearance of steel with the weight and prestige of precious metal, a stealth wealth favorite.

How to Read a Rolex Reference Number

Here’s a simplified breakdown of a Rolex reference number:

First 4–6 digits: Watch model & bezel type
Last digit: Metal code
Suffixes (letters): Bezel or dial details (e.g., LN = Lunette Noir)

Example: 126715CHNR

1267: GMT-Master II
5: Full Everose Gold
CHNR: Ceramic Black/Brown bezel

Why Do Metal Codes Matter?

Authenticity: Metal codes help verify original configurations
Valuation: Different metals = different price brackets
Collectibility: Rare metal combos can increase desirability

Final Thoughts

Rolex metal codes may seem small, but they carry big significance. With this guide, you're better equipped to decode the material composition of any modern Rolex reference number.

Whether you're after the rugged beauty of stainless steel or the prestige of platinum, the final digit tells all.

Rolex Metal Codes