Quick Answer
The replica Rolex 278273 is a copy of the 31mm Datejust in Oystersteel and yellow gold. Good replicas get the case shape, fluted bezel, and bracelet heft close. Bad ones fail on dial text, date window, and gold color. Before you spend, know which version you are looking at.
What the 278273 Is
Rolex makes the 278273 as part of the Datejust 31 line. It uses a two-tone Rolesor build: a steel case with a yellow gold fluted bezel and winding crown. The bracelet comes in Jubilee or Oyster style, and dial options range from champagne to mother-of-pearl. Most 278273 listings show a fluted bezel, which is the reference's signature. If a seller shows a 278273 with a smooth bezel, that is a red flag. The reference number points to a fluted bezel.
Movement Choices in Replicas
The movement is where most replicas live or die. You will see three tiers.
- Low tier: a cheap 2813 or similar. Noisy rotor, rough winding, slow date flip.
- Mid tier: Miyota 9015 or Seiko NH35. Reliable, but the date font can be off and the movement may be thicker than the case allows.
- High tier: a clone 2824 or a decorated ETA. Smoother sweep, correct date change, better beat rate at 28,800 bph.
Because the case is 31mm, a 2824 can be too thick. Better replicas use a slim clone or a decorated Miyota 9015. Ask the seller for the movement name. If they cannot tell you, walk away.
Case, Bezel, and Gold Tone
The case should be 31mm wide. Lugs should be slim. The fluted bezel is the hardest part to fake. Genuine fluting catches light with sharp edges. Replicas often have shallow or rounded flutes. Gold color is another tell. Cheap plating looks brassy or too yellow. Better replicas use thicker gold plating or 18k gold wrapping. No replica matches real 18k gold. Check the winding crown. It should have crisp engraving, not a blurry logo.
Dial and Hands: The First Giveaway
Dial printing is where cheap replicas fail. "Rolex" should be crisp. "OYSTER PERPETUAL" and "DATEJUST" should line up. The date window at 3 o'clock should have a cyclops with 2.5x magnification. The date font should match Rolex's style. Hands should be gold, with a smooth sweep. Lume should glow evenly, not patchy. On mother-of-pearl dials, the pattern should differ from watch to watch. If every replica has the same pattern, that is a sign of a printed imitation.
Bracelet, Clasp, and Weight
A genuine 278273 on a Jubilee bracelet weighs around 90 to 100 grams. Replicas often come in lighter because they use hollow links or cheaper steel. Pick up a replica and feel the bracelet. It should not rattle. The clasp should close with a solid click. The coronet on the clasp should be stamped, not glued. End links should fit tight against the case. Gaps are a tell.
What to Verify Before You Buy
- Ask for the movement name and beat rate. 28,800 bph is a good sign.
- Request photos of the dial text at macro distance. I also ask for a short video of the date flip.
- Check the date magnification. It should fill the cyclops.
- Look at the gold color under different light. It should not look orange or green.
- Confirm the bracelet has solid end links and a correct clasp code.
- Ask about water resistance. Most replicas are not waterproof beyond splashes.
Pricing Sanity Check
Genuine 278273 watches trade in the five-figure range. Replicas run from under $100 to over $500. The price alone does not guarantee quality. A $200 replica with a Miyota 9015 can be better than a $400 replica with a decorated cheap movement. Focus on the details above, not marketing words like "Swiss made" or "1:1."
No replica is a genuine Rolex. If you want the real thing, buy from an authorized dealer. If you want a replica for fun, treat it as a costume piece. Do not expect investment value or service from Rolex.