What 3748410 means
The number 3748410 appears on marketplace listings and in forum posts. It does not match a published Jaeger-LeCoultre reference. Jaeger-LeCoultre reference numbers carry a Q prefix, for example Q3748420. Treat 3748410 as a listing ID or a seller code. Ask the seller which base model the listing copies before you compare prices.
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Price bands
Replica Jaeger-LeCoultre prices group into three bands.
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- $60 to $150: quartz movement, plated case, mineral glass, case size that does not match the original.
- $200 to $400: Asian automatic or hand-wind movement, 316L steel case, sapphire crystal on some units.
- $500 to $900: decorated movement, case dimensions within a millimeter of spec, sapphire front and back.
A genuine Reverso Classic in steel sells for about $6,500 to $9,000 new. Used units run $4,000 to $6,000 on the secondary market. A listing that quotes $150 for a "Swiss made" Reverso contradicts those numbers.
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Parameters to check
- Case size. Reverso cases are rectangular. Wrong length or width is the first tell. Compare the listed millimeters against the brand spec sheet.
- Movement type. Genuine Reverso Classic watches use a hand-wound JLC calibre. Quartz is a mismatch. So is an automatic rotor the solid caseback cannot hide.
- Flip mechanism. The case turns 180 degrees on two rails. Replica hinges wear and the case goes loose within months.
- Dial printing. Rectangular dials show spacing errors at the numerals and in the Reverso script.
- Caseback. Genuine units carry a serial and a reference number. Duplicate serials show up on several replica listings at the same time.
Pitfalls
- Reversible cases are hard to copy. Reverso replicas are fewer than Submariner replicas and quality is lower.
- Gold plating on a $150 unit rubs off at the crown and lugs. Expect bare metal in weeks.
- No Jaeger-LeCoultre service center will touch a counterfeit. Parts come from the seller or from nowhere.
- Sellers reuse the same photos across listings. Ask for a dated photo of the actual unit.
- Bank transfer and crypto leave no refund path. Card chargeback rules differ by issuer.
Legal position in the US
Counterfeit watches are illegal to traffic in the United States. 18 U.S.C. Section 2320 carries up to 10 years and a $2 million fine for a first offense by a person, with higher caps for a corporation. US Customs and Border Protection seizes counterfeit shipments at US ports. A seized parcel is not replaced by most sellers.