Journal · Authenticity, serials & service ·

Rolex Glossary: Every Term Buyers Need, From Cerachrom to Rehaut

The words you meet in every Rolex listing, explained in one place, in plain English.

Macro view of a blue and black ceramic GMT bezel insert

Rolex listings are full of terms that make perfect sense to dealers and very little to everyone else. This glossary explains the words you will meet most often, grouped by topic and kept deliberately short, so you can read any listing, ours or anyone else’s, with confidence.

Why the vocabulary matters

Precise words protect you. “Box and papers” and “box and card” mean different things on older watches; “unworn” and “like new” are not the same; “Rolex diamonds” and “diamonds” can differ by thousands of dollars. When a listing uses a term you do not recognize, look it up here or ask the seller to explain it. A good dealer will happily do so, and a vague answer tells you something too.

Case, materials and metals

  • Oyster case: Rolex’s waterproof case design, first introduced in 1926, with a screw-down caseback, bezel and crown. Almost every Rolex is an “Oyster Perpetual”.
  • Oystersteel: Rolex’s name for its corrosion-resistant steel from the 904L family, used since the 1980s on some models and across the range today.
  • Rolesor: Steel combined with gold. Yellow Rolesor pairs steel with yellow gold, Everose Rolesor with Everose gold, and white Rolesor pairs steel with a white gold bezel.
  • Everose: Rolex’s proprietary 18 ct rose gold, introduced in 2005 and designed not to fade.
  • Rolesium: Steel combined with platinum, used on the Yacht-Master.
  • RLX titanium: Rolex’s titanium alloy, used on the Deepsea Challenge and some Yacht-Master models.
  • Lugs: The horns that attach the bracelet to the case. Their shape and sharpness reveal polishing.
  • Super Case: Collectors’ term for the broad-lugged cases of the 2010s, such as the 116610LN.

Dial, crystal and bezel

  • Cyclops: The magnifying lens over the date, which enlarges it about two and a half times.
  • Rehaut: The inner ring between the dial and the crystal. On modern watches it is engraved “ROLEX ROLEX” with the serial number at six o’clock.
  • Cerachrom: Rolex’s ceramic bezel insert material, highly scratch-resistant and fade-proof.
  • Chromalight: Rolex’s blue-glowing luminous material on modern dials.
  • Tritium: The luminous material used until the late 1990s, marked “T” on dials; it ages to cream tones and no longer glows.
  • Maxi dial: A dial with larger hour markers, used on certain Submariner and GMT generations.
  • Fluted bezel: The ridged precious-metal bezel on the Datejust, Day-Date and Sky-Dweller.
  • Ring Command bezel: The rotating bezel that selects functions on the Sky-Dweller and Yacht-Master II.

Reference suffixes and nicknames

  • LN: lunette noire, black bezel.
  • LV: lunette verte, green bezel.
  • LB: lunette bleue, blue bezel.
  • BLRO: blue and red bezel, the “Pepsi”.
  • BLNR: blue and black bezel, the “Batman”.
  • CHNR, VTNR, GRNR: brown, green and grey with black.
  • Nickname: an informal collector name such as Hulk or Panda; see Rolex nicknames explained.

Bracelets and clasps

  • Oyster: three-link sports bracelet.
  • Jubilee: five-link dressier bracelet.
  • President: three-link rounded bracelet in precious metals, made for the Day-Date.
  • Oysterflex: elastomer-covered metal strap.
  • Oysterlock: folding clasp with a safety catch.
  • Glidelock: tool-free extension in small steps on dive models.
  • Easylink: a 5 mm comfort extension.
  • Crownclasp: a concealed clasp for a seamless look.
  • End links: the pieces that join the bracelet to the case; “solid end links” is a sign of a modern bracelet.

Our Rolex bracelets guide explains each in depth.

Movement terms

  • Calibre: a movement design, such as the 3235.
  • Perpetual: Rolex’s self-winding rotor system, invented in 1931.
  • Chronergy: the efficient escapement in Rolex’s newer movements.
  • Parachrom: Rolex’s anti-magnetic, shock-resistant hairspring.
  • Power reserve: how long the watch runs when fully wound and left unworn.
  • Superlative Chronometer: Rolex’s in-house precision standard for cased watches, about minus two to plus two seconds per day.
  • COSC: the Swiss official chronometer testing institute.
  • Quickset: the ability to change the date without moving the hands through 24 hours.
  • Frequency: how many times per second the balance oscillates; most Rolex movements run at 4 Hz, the Land-Dweller’s calibre 7135 at 5 Hz.
  • Amplitude: how far the balance swings, measured on a timing machine; low amplitude suggests a movement needs service.

Buying and condition terms

  • Box and papers: the original Rolex box and the warranty card or certificate from the first sale. See box and papers: what they actually change.
  • Full set: box, papers and the accessories that came with the watch new.
  • Unworn: never worn since leaving the retailer, usually with protective stickers.
  • Unpolished: the case has never been refinished, prized by collectors.
  • Aftermarket: parts not made by Rolex, such as diamond bezels or dials.
  • Service dial / service parts: Rolex parts fitted later during servicing.
  • AD: authorized dealer, a Rolex retailer.
  • CPO: Rolex’s Certified Pre-Owned program, sold through authorized dealers.
  • Independent dealer: a business like Steel & Crown that sells pre-owned watches outside Rolex’s network.

Terms dealers use about price and availability

  • List price or retail: Rolex’s own price for a new watch at an authorized dealer.
  • Market price: what a watch actually sells for on the pre-owned market today, which can be above or below list.
  • Allocation: the way authorized dealers distribute scarce new models to clients, often via waiting lists.
  • Hold: a short reservation of a specific watch while a buyer decides; we offer a 24-hour hold.
  • Stock number: the dealer’s own identifier for one specific watch. Ours appears on every listing and in every photo set.
  • Discontinued: no longer produced by Rolex, which can affect demand either way.

Terms about wear and history

  • Patina: natural aging of dial, lume or bezel, valued when even.
  • Relume: replaced luminous material on dial or hands.
  • Refinished dial: a dial that has been repainted, lowering collector value.
  • Stretch: looseness in a bracelet from worn pins and links.
  • Service history: documented past services, which add confidence.

Using this glossary when you shop

When you read a listing, check three things in this order: the reference (what exactly the watch is), the condition terms (unworn, unpolished, aftermarket), and what is included (box and papers). Everything else is detail, useful but secondary to those three. Browse every pre-owned Rolex in stock to see these terms applied, or start with a model such as the Datejust.

Frequently asked questions

What does Rolesor mean?

Rolesor is Rolex’s name for watches that combine steel with gold, such as a steel case with a gold bezel and gold center bracelet links. White Rolesor uses a white gold bezel on a steel case.

What is the rehaut on a Rolex?

The rehaut is the inner ring between the dial and the crystal. On modern Rolex watches it is engraved with “ROLEX” repeated around the ring and the watch’s serial number at six o’clock.

What does “full set” mean?

It means the watch comes with everything it had when sold new: the Rolex box, warranty card or papers, booklets and usually the hang tag. Some sellers use it loosely, so ask exactly what is included.

What is an aftermarket part?

A component not made by Rolex, such as a diamond-set dial or bezel added later. Aftermarket parts reduce value and must be disclosed.

Steel & Crown prices today

Asking prices for the watches in our inventory when this page was built (Sep 27, 2026). Each price is for a specific watch; condition, year and box and papers explain the spread.

ReferenceModelIn stockAsking prices
126710BLRO “Pepsi”GMT-Master II1$26,892
126334 “Wimbledon”Datejust19$13,892–$18,892
126610LNSubmariner3$13,892–$16,747

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