A fake Blancpain 5050-1130-52A is a replica of a Blancpain Fifty Fathoms dive watch, built to copy the case shape, bezel, dial, and strap of the original at a fraction of the retail price. High-tier versions run an automatic movement and a sapphire crystal, while cheap versions use quartz or a basic automatic with mineral glass. The real gaps between a replica and the genuine watch show up in the movement, the bezel action, the dial printing, and the lume.
Below is what the reference number means, how replica tiers differ, which details fail first, and what to ask a seller before you pay.
What does the Blancpain 5050-1130-52A reference mean?
Blancpain packs case, dial, and finish codes into the reference string, so a full number points to one exact catalog configuration. The 5050 block sits in the Fifty Fathoms family, the brand's dive line, and the trailing codes point to dial color and case finish. Confirm the spec sheet on Blancpain's own reference page instead of trusting a reseller listing.
- Fifty Fathoms layout: unidirectional rotating bezel, screw-down crown, high-contrast dial with large lume plots.
- Steel case, sapphire crystal, and an automatic movement on most variants in the line.
- Case sizes across the family span about 38 mm to 45 mm, so the exact reference decides how it wears.
- Dive watch styling traces to the 1950s, and the modern line keeps that look with updated movements.
How do replica factories build this model?
Replica production for a Fifty Fathoms splits into three tiers, and each tier fails in a different place. Top builders work from a real watch and machine a case that matches the original dimensions. Lower tiers work from photos and skip the parts that cost money.
Case, bezel, and crystal
A good replica case follows the original profile: slab sides, a stepped bezel, and lugs with the right curve. The bezel is the giveaway. Real dive bezels click through 120 positions with firm, even detents, while many replicas click at 60 or feel slack at the top marker.
Crystal type separates tiers as well. Sapphire with an anti-reflective coat is standard on top builds. Mineral glass appears on cheaper ones and throws a flat, washed reflection next to the original.
Dial, hands, and lume
Dial printing exposes most fakes under a loupe. Check logo spacing, the depth rating line, and the finish on the applied markers. Top dials use applied indices with polished edges and clean printing; cheap dials use markers that sit crooked or printed indices with soft edges.
Lume is the second test. Genuine Fifty Fathoms dials charge fast and glow even across the markers. A replica whose lume turns patchy after 30 seconds under a light has a cheap dial.
Movement
Ask what beats inside before anything else. High-tier replicas often carry an automatic with a decorated rotor and a power reserve near the original figure. Cheaper builds use quartz or a basic automatic whose rotor rattles and whose seconds hand stutters at low angles.
What are the common tell signs on a fake?
- Bezel alignment. The 12 o'clock pip should line up with the dial marker and the crown. Fakes drift a degree or two.
- Date window. Magnification, font, and position on the dial are common misses.
- Crown action. Threads should feel smooth and engage without grit.
- Caseback engraving. Letters should be crisp and deep, not laser-etched and shallow.
- Weight. A steel case with a solid bracelet should feel dense in the hand.
- Finishing on hands and screws. Cheap builds show paint where the original uses heat-treated steel.
How much do fake Blancpain 5050-1130-52A watches cost?
Prices fall into three bands, though sellers move them around with marketing. A quartz build sits under $100. A mid-tier automatic sits between $150 and $350. A top build with sapphire, a clone automatic, and a matching strap runs from about $400 to $800.
Any listing that claims a "Swiss made original" at those figures is a scam. No replica seller holds genuine Blancpain stock, and a real Fifty Fathoms sells for thousands.
Do replica grade labels mean anything?
Terms like "1:1," "AAA," "super clone," and "Swiss movement" get used as sales copy with no fixed definition. Two sellers can label the same build at different grades and price it two ways. Judge the watch by photos of the actual unit, the named movement, and the crystal spec, not by the label.
What should you check with a seller before you pay?
- Photos of the exact unit, not factory stock images. Ask for a shot of the caseback and the crown side.
- Movement name and type. A seller who cannot name it does not know the watch.
- Crystal material: sapphire or mineral.
- Strap or bracelet material and whether spare links come with it.
- Return window and the conditions attached to it.
- Payment method and whether tracking comes with the shipment.
Water resistance and daily care
ISO 6425 sets the test standard for a true divers' watch, covering pressure testing and legibility, and replica builds do not go through that testing. Treat any water resistance claim as a marketing line. Rinse the case with fresh water after contact with sweat or salt, and keep the crown screwed down.
Automatic replicas need the same care as any mechanical watch. Service the movement when it starts losing time, and store it away from magnets. Expect a few years of normal wear from a mid-tier movement and longer from a good one.
FAQ
Is a fake Blancpain 5050-1130-52A waterproof?
Most replicas handle rain and hand washing. Diving and swimming carry risk unless the seller pressure-tested the specific unit, which most do not. Keep replicas out of the ocean.
Will a watchmaker notice?
A watchmaker who opens the caseback will spot a replica in seconds from the movement finish and engraving. On the wrist, a top-tier build passes casual glances. The bezel action and dial print give it away to someone who handles the genuine watch.
Do replica movements last?
Basic automatics often run two to five years before they need service. Clone movements with better parts last longer. Buying from a seller who stocks spare movements makes repairs simpler.