A fake Rolex Deepsea 126660 is a 44mm counterfeit built to look like the D-blue Deepsea Rolex released in 2018. Good ones cost $400 to $900 and copy the case profile, the gradient blue-to-black dial and the ceramic bezel closely. They are not 3,900-meter dive watches, the movements are not Rolex movements, and importing one into the United States is illegal. Bought as a novelty, a decent copy does the job. Treated as a Deepsea, it will let you down the first time you ask it to keep water out.
What the real 126660 is
Rolex announced the reference 126660 in 2018 as the update to the 116660. Same 44mm Oyster case, same 17.7mm thickness, same Ring Lock system with the nitrogen-alloyed steel ring inside. The headline change was the movement: the caliber 3235 replaced the 3135, which pushed the power reserve from roughly 48 hours to about 70 and tightened rate stability. Water resistance is rated to 3,900 meters, or 12,800 feet.
Two details matter for any replica comparison. The bezel insert is ceramic with numerals and graduations coated in platinum, which gives a grainy metallic look rather than a flat print. And the watch is heavy: a bit over 200 grams on the bracelet, with a tall case and a GlideLock clasp that includes a dive extension.
What replicas get right
More than most people expect, at the top end. The best Deepsea fakes come from the same Guangzhou workshops that produce super clones of the Submariner and the Datejust. In hand, a good one delivers:
- Case dimensions within a fraction of a millimeter of the real 44mm by 17.7mm.
- A gradient dial that reads correctly in daylight and under indoor lighting.
- Ceramic bezel inserts with convincing blue, though the numerals rarely carry the same platinum fill.
- A working helium escape valve at 9 o'clock, cosmetic in practice.
- Sapphire crystal with a cyclops that magnifies at roughly the right 2.5x.
Crown action, date font and how the solid end links sit against the lugs are the three places a mid-tier fake usually gives itself away.
Where they fall short
The movement
Most Deepsea fakes run an Asian copy of the ETA 2824 or a Seagull ST2130. Better versions use a so-called 3235 clone such as the SA3235 or VR3235, which looks close through the case back but uses a different balance bridge and a different winding feel. None are chronometer certified. None carry a 70-hour reserve. Service parts are whatever the seller has on the shelf, which is often nothing. Expect 38 to 45 hours of reserve and a rate that drifts more than a real 3235.
Water resistance
This is the gap that matters. The genuine watch is pressure tested to 3,900 meters under ISO 6425. A counterfeit is assembled with generic gaskets and, in most cases, never tested at all. Dealers quote 50 meters, or 300 meters, with no documentation behind the number. I would not take a $600 copy into a pool before a watchmaker pressure tests it, and even then I would not dive with it. Crystal thickness, case tube threading and the case back seal all differ from the original.
Case, finish and markings
Real Oystersteel polishes to a slightly warmer tone than 316L, and on the Deepsea that shows most along the case flanks and the crown guards. The engraved text ring around the dial, with ORIGINAL GAS ESCAPE VALVE and RING LOCK SYSTEM, is another tell. Fakes often get the letter spacing or the depth of the engraving wrong, and the case back lettering is usually shallower than the real thing.
Price tiers, roughly
- Under $150: quartz or low-grade automatic, wrong thickness, painted bezel markers. Not worth the shipping.
- $250 to $400: mid-tier automatic with the right silhouette at arm's length. Tells appear in hand, such as sharp crown guards and a mushy bezel click.
- $450 to $900: super clone territory, cloned 3235, better brushing and polishing. This is the band where quality control photos actually matter.
Past $900 you are paying for a seller's name, not a better watch.
Legal reality in the US
Importing counterfeit goods is prohibited even for personal use. Customs and Border Protection can seize and destroy a package, and a seizure record tends to mean future shipments get inspected. Selling a fake while describing it as a Rolex is trademark counterfeiting under 18 U.S.C. § 2320, and that carries real penalties. Reselling one as genuine is where a gray-market hobby turns into a criminal matter.
What I would check before paying
- QC photos of the dial text at 10x, especially the coronet and the ROLEX lettering spacing.
- Bezel action: 120 clicks, no back-play, numerals not painted on.
- Depth and font of the case back engraving.
- End link fit against the lugs, and whether the GlideLock actually locks.
- The exact movement caliber, plus a photo of the balance assembly.
- Any pressure test paperwork. Most sellers will not have it.
A fake Deepsea is a costume, not a tool. If you want the look, a well-made $500 copy gets you most of the way there from a few feet away. If you want a watch you can wear at depth, buy something with a warranty and a service network behind it.