Pre-owned Jaeger-LeCoultre watches sell between $3,000 and $50,000. Counterfeits exist. Most fakes copy the Reverso and Master Control lines. A fake can pass a visual check. The movement and serial number are the best proof.

Common models that get faked

The Reverso is the most copied. Its rectangular case and flip mechanism are hard to make. Fakes often have a thick case or a stuck flip. The Master Control and Geophysic are also faked. These models use round cases. Fakes use quartz movements or low-grade automatic movements.

Check the movement

Jaeger-LeCoultre makes in-house movements. Real calibers include 822, 899, and 925. Real movements have Geneva stripes, blued screws, and a balance wheel with a smooth finish. Fakes use ETA or Seagull movements. These have rough finishing and no Geneva stripes. Open the caseback. Look at the rotor. Real JLC rotors have a gold or rhodium finish. The serial number on the movement must match the caseback.

Caseback and serial number

Real JLC casebacks have engraved serial numbers. The engraving is deep and sharp. Fakes use laser etching. The font is wrong. Real serial numbers have 8 digits. The reference number has 6 or 7 digits. Reverso casebacks have four screws. Fakes use snap-on backs. Check the screws. Real screws are polished and flush.

Dial details

The 'Jaeger-LeCoultre' logo sits in two lines. The font weight is light. Fakes use thick text. The 'Swiss Made' text sits at the bottom. Real dials have applied indices. Fakes use printed indices. Moonphase discs on real watches have detailed stars. Fakes have dots. Date windows align with the dial. Fakes have off-center dates.

Papers and box

Real JLC boxes have a serial sticker. The sticker matches the watch. Papers include a warranty card with the serial and reference. Fakes often have generic boxes. Some fakes copy the card. The card has errors in the font or the serial does not match.

Price and seller

A real pre-owned Reverso starts at $4,000. A Master Control starts at $5,000. A $1,500 Reverso is fake. Sellers with no history are a risk. Ask for service records. A real JLC has a service history from an authorized center.

Where to verify

A Jaeger-LeCoultre boutique can check the serial number. An authorized service center can open the watch. They can confirm the movement. Some fakes are 'franken' watches. These have a real case and a fake movement. Only an expert can spot these. Do not buy without a verification.