The only version of the Breguet Classique 7787 worth buying is the genuine one, and that is the reference this guide treats as the top pick. The criteria that decide the comparison are movement construction, dial and case finishing, documentation and service history, and the legal exposure a buyer accepts. Searches for "fake Breguet 7787" surface replica listings, so the useful question is not which copy looks closest from across a table, but how to separate the two and what a copy costs beyond its sticker price.

What the Breguet 7787 Actually Is

The 7787 sits in Breguet's Classique collection, the house's traditional dress-watch line. Watches in that line use precious-metal cases, mechanical movements finished for display through a caseback, and dial work that draws on guilloche patterns, enamel, and Breguet's own hand and numeral styles. Case dimensions, metal options, and dial variants have shifted across production runs, so Breguet's published reference data is the baseline for any authentication question. A marketplace listing that quotes specs is not the same thing as the manufacturer's own record.

Criterion 1: Movement and Finishing

• Genuine: The movement is built in-house or to Breguet's specification, and its finish is visible through the caseback. Serial numbers on the movement can be checked against manufacturer records.
• Genuine: Service documentation from an authorized watchmaker traces the watch's history.
• Replica: Many copies use a third-party base movement that fits the case but has no link to Breguet records.
• Replica: Engraving on bridges and rotors tends to be shallow, uneven, or copied from a photo rather than a template.

Movement is the hardest part of a watch to fake convincingly and the easiest part to verify with a loupe and a qualified watchmaker.

Criterion 2: Dial, Case, and Hallmarking

• Genuine: Guilloche lines are cut into the metal with consistent depth. Enamel, where used, sits flat and even.
• Genuine: Precious-metal hallmarks are struck cleanly and match the stated case material.
• Replica: Guilloche is often printed or stamped to imitate the effect, so it looks flat under angled light.
• Replica: Plated base metal can be identified by weight, by wear at the lugs, and by hallmarks that are soft or misplaced.
• Replica: Dial printing, hand shape, and bezel proportions drift from the reference in small ways that add up.

Criterion 3: Box, Papers, and Provenance

• Genuine: Certificate, case, and movement numbers agree, and the seller can explain where the watch came from.
• Genuine: A pre-owned example usually has service records or an authentication report from an independent watchmaker.
• Replica: Paperwork is commonly photocopied, mismatched, or absent, and sellers resist a third-party inspection.
• Replica: Resale is difficult because no authorized dealer or auction house will take the watch.

Criterion 4: Legal and Financial Exposure in the US

Trafficking in counterfeit goods is a federal offense under 18 U.S.C. 2320, and U.S. Customs and Border Protection seizes counterfeit merchandise at ports of entry. A buyer who imports a replica risks losing the watch and the money paid for it, with no practical route to a refund. The larger risk comes at resale: offering a replica as a genuine Breguet moves the matter from a private purchase into fraud. Prospective buyers should also assume that a watch sold below market with no papers is either a replica or a genuine piece with a problem.

Recommendation by Use Case

• You want the dress-watch look at a low price: Buy from a legitimate brand that makes its own designs. Homage styling from an established microbrand carries a warranty and no legal exposure.
• You are collecting: Buy the genuine 7787 with matching papers and an independent authentication, and budget for servicing.
• You already own a suspect watch: Have a watchmaker inspect the movement before you sell, insure, or gift it, because a replica sold as real creates liability for you.
• You are comparing listings: Treat any seller who will not permit inspection, will not show movement numbers, or prices far below market as a signal to walk away.

This guide does not point to replica sellers. The information above is meant to help buyers verify what they are looking at before money changes hands.