What the 116618 Is, and What a Replica Gets Wrong

The 116618 is the yellow gold Submariner Date: 40mm, 18k case and bracelet, Cerachrom bezel, and Rolex calibre 3135 inside. It came in two versions, the LN with a black dial and insert and the LB with blue. A fake gets the silhouette right almost every time, because the case is simple and well measured. What it rarely gets right is the metal. Gold sets the color, the weight, and the way light moves across brushed and polished surfaces. Steel with a gold coat does not behave the same way, and no amount of photography hides that once the watch is in your hand.

Specs Worth Memorizing Before You Look at Anything

  • Case: 40mm Oyster, solid 18k yellow gold, Triplock crown, 300m rating.
  • Bracelet: solid gold Oyster with Oysterlock and Glidelock extension.
  • Bezel: unidirectional Cerachrom insert, numerals and graduations coated with platinum.
  • Dial: black (116618LN) or blue (116618LB), gold printing, Chromalight lume that glows blue.
  • Movement: calibre 3135, 28,800 vph, roughly 48 hours of reserve, quickset date, hacking.
  • Weight: think 230 to 250 grams sized for an average wrist, depending on link count.

Weight Is the First Honest Test

Plated replicas are built on a steel case, and steel is light next to gold. A typical plated 116618 lands around 155 to 180 grams. A wrapped version adds a little, not much. If a seller's photos show a full bracelet and the watch in hand looks like a regular steel Submariner in mass, that is your answer. Ask for a scale photo. Legitimate sellers shoot it.

Gold also has a specific warmth. 18k yellow gold is a soft yellow, not orange, not brassy. Under indoor light, plated gold reads slightly green or slightly red depending on the plating bath. Look at the inside of the clasp and the lug undersides, where plating wears first.

Plating, Wrapping, and Real Gold Builds

Three categories exist in the replica market and sellers blur them on purpose.

  1. Plated. Usually 1 to 3 microns. Edges go pale within months of daily wear.
  2. Wrapped. Sellers claim 5 to 15 microns. Better color depth, still a steel core, still lighter.
  3. Solid gold builds. A few builders set a replica case and bracelet in real 18k. These cost thousands and are not what most listings mean when they say "solid gold."

Ask for the number in microns and how the case core is made. A vague answer is a real answer.

Dial, Bezel, and Hand Details

On the genuine, the Cerachrom insert is crisp at the edges and the numerals sit slightly recessed, filled with a matte platinum finish. Replica inserts often look glossy, or the pip at 12 sits proud and glows a different shade than the dial. The date window should be centered with the cyclops magnifying to about 2.5x and the date font matching Rolex's own. Gold dials and hands should match the case in tone; mismatched gold between hands and case is a common replica flaw.

Rehaut engraving is another tell. Genuine "ROLEXROLEXROLEX" is even, sharp, and aligned to the minute track, with the serial at 6 o'clock. Cheap replicas have shallow, uneven engraving, sometimes misaligned by a few degrees.

Movement and Feel

Replicas run one of two things: a Chinese 3135 clone, or a 2824-style movement with a date overlay. The clone winds smoother and the date flips closer to midnight. The overlay version often flips gradually across 20 minutes and the crown feels notchy. Genuine 3135s run at 8 beats per second, so the seconds hand moves in 8 small steps. Put a phone camera on it in slow motion and count.

Questions to Ask a Seller

  • Movement model, exactly. Not "Swiss movement."
  • Plating thickness in microns, or whether the case is solid gold.
  • Total weight, with a photo on a scale.
  • Whether it has been pressure tested. Most replicas are not, regardless of what the listing says.
  • Which bracelet links are removable and whether the Glidelock functions.

Red Flags in Listings

"18k solid gold" under $600. Stock photos pulled from a pre-owned dealer. No macro shots of the lugs, clasp, or caseback. A seller who cannot name the movement. Claims of 300m water resistance. Any of those and I walk.

What It Costs

Plated versions sit around $300 to $600. High-end builds with wrapped gold and a proper 3135 clone run $600 to $1,200. Solid gold builds go well past that, and at that point you should be asking why you are not buying a pre-owned genuine gold watch instead.