A Rolex Cerachrom bezel is a ceramic bezel insert that Rolex makes in-house. It replaced the anodized aluminum insert used on earlier sports models, and Rolex says it is virtually scratchproof and keeps its colour under ultraviolet light. Aluminum inserts are softer and fade or scratch with age, which is why some collectors value a faded one and others prefer the sharp look of ceramic. This guide explains the difference, which references use which material, and what it means when you buy. Bizak & Co. is a sourcing desk: every watch here is sourced to order, and nothing in this guide is a stock listing.
Last reviewed on October 28, 2026 by Filip Biczak. Material claims are Rolex's own; we have not tested them. Sources: Rolex, Submariner collection and Rolex newsroom, GMT-Master II.
What is a Rolex Cerachrom bezel?
Cerachrom is Rolex's name for the ceramic it uses for bezel inserts. The material is a hard, inert ceramic that Rolex describes as resistant to scratching and to corrosion, with colour that does not change under UV light. The numerals and graduations are coated with a thin layer of platinum, applied by a vapor-deposition process, so they stay legible against the dark or coloured surface. Rolex began fitting ceramic inserts to its sports watches in the mid-2000s, starting on the GMT-Master II, and has since extended them across most of the professional line.
How is Cerachrom different from an aluminum bezel?
The main difference is hardness and colour stability. Aluminum inserts are anodized and printed, so they mark more easily and the colour changes with sun, salt and age. A black insert can turn grey, a red-and-blue insert can drift toward pink and violet, and the shift is different on every watch. Ceramic is far harder to scratch and holds its tone. The trade-off is that ceramic is brittle: a hard knock can crack it, and replacing one generally costs more than replacing an aluminum insert.
| Feature | Aluminum insert | Cerachrom insert |
|---|---|---|
| Material | Anodized aluminum, printed markings | Ceramic, with platinum-coated markings |
| Scratch behavior | Marks and wears with use | Rolex calls it virtually scratchproof |
| Colour over time | Fades and shifts; every example ages differently | Rolex says UV does not change the colour |
| Main weakness | Fading and surface wear | Can crack under a hard impact |
| Replacement | Generally the cheaper repair | Generally the costlier repair |
| Typical era | Older references | Current-generation references |
Which Rolex models have ceramic bezels and which used aluminum?
Most current Rolex sports watches with a rotating or fixed bezel use Cerachrom, while older generations of the same models used aluminum or, in the Daytona's case, metal. The pairs below are the ones buyers compare most often. Check the exact reference on the watch, because a model name alone does not tell you the material.
| Model | Earlier reference | Earlier bezel | Later reference | Later bezel |
|---|---|---|---|---|
| Submariner Date | 16610 | Aluminum | 116610LN, then 126610LN | Cerachrom |
| GMT-Master II | 16710 | Aluminum | 116710LN, then 126710 references | Cerachrom |
| Submariner Date, steel and gold | 16613 | Aluminum (blue) | 116613LB | Cerachrom |
| Cosmograph Daytona | 116520 | Metal bezel | 116500LN, then 126500LN | Cerachrom |
For the current models, see our guides to the Rolex Submariner, the Rolex GMT-Master II and the Rolex Daytona. As examples, the Submariner Date 126610LN carries a black Cerachrom bezel, the Cosmograph Daytona 126500LN has a ceramic bezel with a tachymeter scale, and the GMT-Master II 126710GRNR has a grey and black Cerachrom bezel.
Do Cerachrom bezels scratch or fade?
In everyday wear they very rarely do, according to Rolex, but they are not indestructible. Rolex describes the material as virtually scratchproof and unaffected by UV, which is the practical reason a ceramic bezel still looks new after years of use. The failure mode is different: because ceramic is hard and brittle, a sharp strike against a door frame or a hard edge can chip or crack it instead of denting it. Treat claims of permanence with some caution, since the evidence is Rolex's own product copy rather than independent testing.
Is an aluminum bezel worse than ceramic?
No, it is just a different character. An aluminum insert is cheaper to replace and ages in a way many collectors enjoy, since a faded bezel records the life of that particular watch. The downside is that condition varies widely: a heavily faded or replaced insert changes the look and can affect how a vintage example is judged. Whether fading counts as charm or damage is a matter of taste and of the reference, so decide which you want before you start looking.
What should you check when buying a vintage or current Rolex?
Check that the bezel matches the reference, then judge its condition. On an older aluminum watch, look at the colour, the sharpness of the numerals and any signs the insert has been replaced. On a current ceramic watch, look for chips or hairline cracks, especially around the edges and the 12 o'clock marker. A replacement insert is not automatically a problem, but it should be disclosed, and the paperwork and service history should be consistent with the watch you are shown.
- Match the reference. Confirm the reference number engraved on the case and match it to the expected bezel material.
- Inspect closely. Ask for clear photographs of the bezel from several angles before you commit.
- Ask about replacement. Find out whether the insert is original or has been changed.
- Understand repair cost. Ceramic repairs are usually more expensive than aluminum ones.
Bezel material is only one part of the case story. If you are comparing metals as well, read our guide to Oystersteel and 904L steel.
Quick answers
What does Cerachrom mean?
Cerachrom is the name Rolex uses for its in-house ceramic bezel material. It is a hard ceramic that Rolex says resists scratches, corrosion and UV colour change.
Are Rolex ceramic bezels scratch proof?
Rolex calls them virtually scratchproof, which means very resistant rather than immune. They are hard to scratch but can chip or crack under a sharp impact.
Can a Cerachrom bezel fade?
Rolex states that the colour is unaffected by ultraviolet light, so fading of the kind seen on aluminum inserts is not expected. Condition on any individual watch should still be checked in photographs.
Which is better, ceramic or aluminum?
Ceramic is more durable day to day and holds its colour, while aluminum is cheaper to replace and develops character as it ages. Neither is better for everyone; it depends on whether you want a pristine or a worn-in look.
How do I tell which bezel a Rolex has?
Look up the reference number on the case. Earlier references such as 16610 and 16710 used aluminum, while the later 116610LN and 116710LN generation use ceramic.
Related reading: Submariner 16610 vs 116610LN, Oystersteel vs 904L steel and Daytona 116500LN vs 126500LN.
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