A fake Rolex Sea-Dweller 126600 is a copy of a 43 mm dive watch that Rolex released in 2017. The genuine watch carries a 1,220 m water rating, a helium escape valve, and a caliber 3235 movement with a 70-hour power reserve. Replica versions sell for about $100 to $600. They differ from the original in steel grade, movement finish, bezel material, and weight.

Genuine 126600 reference data

  • Model: Rolex Sea-Dweller, reference 126600. Shown at Baselworld in 2017. The first Sea-Dweller arrived in 1967.
  • Case: 43 mm Oystersteel. The prior reference 116600 measured 40 mm.
  • Water resistance: 1,220 m (4,000 ft). Helium escape valve at 9 o'clock.
  • Bezel: black Cerachrom ceramic insert, 60-minute scale, platinum coated numerals.
  • Crystal: sapphire with a cyclops lens at 3 o'clock.
  • Dial: black, red "Sea-Dweller" text, Chromalight markers.
  • Movement: caliber 3235, automatic, 28,800 vph, 70-hour power reserve. Superlative Chronometer rating of -2/+2 seconds per day.
  • US retail at launch: $13,250.

Where replicas differ

Most replica 126600 watches use 316L stainless steel. Rolex uses 904L Oystersteel. The two alloys look alike in a photo. They do not weigh the same. A genuine 126600 on a full bracelet weighs about 185 g. Many fakes sit near 150 g to 165 g.

Bezel inserts are the second gap. Genuine numerals hold platinum applied through a PVD process. Copies use paint or thin plating. The fill looks flat under a loupe.

Movements vary. Some replicas carry a clone of the 3235. Others carry a 2824 pattern or a 3135 pattern with a stamped 3235 rotor. Power reserve is the test. Wind the watch, set it down, and check the time after 48 hours. A real 3235 runs past 70 hours. Most clones stop near 38 to 42 hours.

Listing terms such as "Swiss ETA" or "Swiss 3235" are labels. Buyers cannot confirm origin without opening the case.

Legal status in the United States

Rolex owns the trademarks on the name, the crown logo, and the dial layout. Copying them is trademark infringement.

  • Trafficking in counterfeit goods is a federal crime under 18 U.S.C. 2320. A first offense by an individual carries up to 10 years in prison and a $2 million fine.
  • Import of goods bearing a counterfeit mark is prohibited under 19 U.S.C. 1526. CBP officers seize and destroy such shipments.
  • Rolex does not service replica watches. There is no factory warranty. Resale value is close to zero.

Check points on a 126600

  1. Red dial text. Genuine red is deep. Many fakes print a brighter orange-red.
  2. Cyclops. The genuine lens has anti-reflective coating on the underside. The date reads clean from an angle.
  3. Helium escape valve. Check engraving depth on the case side.
  4. Caseback. The 126600 uses a solid caseback with stamped markings. A display back means a fake.
  5. Bracelet end links. Gaps at the lugs point to a copy.
  6. Beat rate. A timegrapher reads 28,800 vph on a real 3235.

Non-counterfeit options

Buyers who want a 1,000 m class dive watch without trademark risk can look at the Tudor Pelagos 39, the Seiko Prospex Marinemaster, the Oris Aquis Depth Gauge, and the Doxa Sub 300T. Prices run from about $1,500 to $5,000. All four come with factory service and a warranty.