Short answer

Fake Breguet complications split into three groups: markings that only look like functions, real mechanisms built on Chinese movements, and a small top tier where the complication works. Nothing in the replica market matches Breguet's own engineering. What you can buy is the visual grammar, and in the mid and upper tiers, a function that moves when you touch it.

Which complications people search for

Breguet's catalog leans hard on classic haute horlogerie complications. The ones that show up in replica listings are the tourbillon, the perpetual calendar, the minute repeater, the equation of time, the moon phase, the chronograph, the power reserve, and dual time. Some get stacked onto one dial in the Classique Grandes Complications line, which is exactly why those references get copied. One watch carries four or five talking points.

Abraham-Louis Breguet patented the tourbillon in 1801, and the brand still treats it as the signature. That history is what makes the word so useful on a listing page. It is also what makes it so often misused.

What replicas do well

  • Tourbillon, in the upper tiers. Chinese factories build real rotating carriages, at 28,800 vph or a slower 21,600. The cage spins. It is a working tourbillon, just not a Breguet one. Expect coarse finishing on the cage bridge, no hand-bevelled angles, and a beat rate chosen for cost.
  • Moon phase. A 29.5 day disc driven off the hour wheel is easy to copy and looks right. Accuracy drifts, but the disc moves.
  • Power reserve. An added gear train on the barrel arbor gives a moving needle. It often reads optimistic.
  • Chronograph. Seagull ST19 and similar column-wheel clones give you a real pusher feel and a sweeping seconds hand. This is the most honest complication in the replica world.
  • GMT and dual time. A jumping or independent hour hand is a solved problem on clone movements.

What replicas do badly

Perpetual calendar is the big one. A true perpetual calendar tracks 28, 30, and 31 day months plus leap years and needs no correction until 2100. Replica versions are annual calendars or plain triple dates with a fancy subdial layout. They need manual adjustment at the end of February, and the day and month discs can slip out of sync.

Minute repeaters are close to nonexistent at the replica level. Anything advertised as a repeater under a few thousand dollars is decorative. Racks, snails, and gongs that chime are a different manufacturing problem, and the few attempts that circulate are prototypes, not catalog items.

Equation of time is another no. The mechanism needs a kidney-shaped cam cut to a specific year's solar curve. Replica dials show the scale and a hand, but the hand does not track the sun.

The secret signature belongs here too. Breguet engraved its name on some dials so it appears only at a certain angle and vanishes under direct light. Replicas print the signature flat. Hold one under a lamp and the trick is gone.

How to judge one before you pay

  1. Ask what movement is inside. If the seller cannot name it, assume a sticker on a quartz blank.
  2. Check subdial spacing against the genuine reference. Replica dials push registers inward or outward to fit a different movement.
  3. Look at the hands. Breguet hands are heat-blued steel with a hollow eccentric moon tip. Painted blue is a tell at arm's length.
  4. Test the date change. Set the watch to 11:55 pm and watch it flip. A perpetual calendar should also flip the month and leap year indicator.
  5. Weigh it. Real complications add thickness and mass. A 40 mm tourbillon that feels hollow is a thin case with a decorated rotor.
  6. Read the caseback engraving. Reference numbers, movement numbers, and hallmarks get sloppy in the mid tier.

Price tiers, in rough terms

Under $200 you are buying a dial. The subdials are printed or bolted on. Between $250 and $700 you get working chronographs, GMT, moon phase, and decent case finishing. Above $800, tourbillons and stacked complications appear, and the movement starts to look like something. Past $2,000 the market thins out because buyers start comparing to used genuine pieces.

The honest part

A fake Breguet complication buys you a silhouette and a conversation. It does not buy you the engineering that made the original famous, and it never will. Buy it because you like how it looks on your wrist, know which functions work, and skip anything that promises a repeater or a perpetual calendar at a price that makes no sense.