Buying advice: Buy the replica Breguet Classique 7787 for the dial layout and working complications, not for a “1:1” label. Ask for a running video, a clear caseback photo, and a written spec sheet before you pay. The version worth considering is the one that copies the genuine 39 mm case, uses an automatic movement with a real moonphase and a power reserve indicator that moves, and keeps the guilloché dial crisp at arm’s length. If a seller cannot show those three things, keep looking.

What to look for in a replica Classique 7787

The 7787 is a dress watch, so small errors show. The genuine watch has a 39 mm case, a thin profile, a silvered guilloché dial, Roman numerals, Breguet-style hands, a moonphase aperture, and a power reserve display. A replica should match the proportions first. A 41 mm or 42 mm case with a thick bezel changes the look even if the dial print is clean.

Check the dial under direct light. The guilloché pattern should have depth and repeat across the surface. Printed lines that look flat in a video are a warning. The moonphase disc should show a clean moon and stars with no pixelation. The power reserve scale should be aligned with the aperture and the hand should sit at the correct height.

Movement and complications

Ask for the movement type and a video of the seconds hand. A low-grade automatic can run, but the moonphase and power reserve are where many replicas fail. A real moonphase advances over a 29.5-day cycle. A day/night disc that flips once every 24 hours is not a moonphase. A working power reserve indicator moves as the mainspring winds and unwinds. A painted scale does not.

  • Automatic movement with a smooth sweep, not a ticking quartz.
  • Moonphase that changes by small steps across the month.
  • Power reserve hand that moves when you wind the crown.
  • Caseback photo that shows the movement, rotor, and engraving.

Case, crystal, and finish

The case should measure close to 39 mm across, with a thickness near 10 mm and a lug width around 20 mm. Ask for plating thickness on gold-tone versions. A 3 to 5 micron band is a common daily-wear target; thin plating shows brass at the edges within months. The crystal should be sapphire with a clean anti-reflective coating. The crown should sit flush and wind without grit.

Dial details that separate good from poor

Look at the Roman numerals, the minute track, and the hand shape. The Breguet hands should have a polished finish and a round eye. The moonphase aperture should be cut cleanly, not stamped with a rough edge. The power reserve markings should line up with the printed scale. On the wrist, the dial should read as a dress watch, not a thick sports watch with a fancy face.

Strap and hardware

A leather strap with a matching buckle completes the look. Ask whether the strap is real leather or bonded leather. Check the buckle finish and the spring bar fit. A loose lug fit causes the strap to rub the case and makes the watch feel cheap.

Parameter bands to use when you compare sellers

These bands are for screening listings, not for judging a watch by numbers alone. Use them with photos and video.

  • Case diameter: 39 mm. A 40 mm to 41 mm replica will wear larger than the genuine 7787.
  • Case thickness: about 10 mm. Over 11 mm suggests a thick movement or a caseback spacer.
  • Lug width: around 20 mm. Confirm before you buy a spare strap.
  • Movement: automatic, roughly 28,800 vibrations per hour, with a 38-hour power reserve target.
  • Plating: 3 to 5 microns on gold-tone cases; ask for the number in writing.
  • Crystal: sapphire, not mineral glass.
  • Water resistance: treat any rating as splash resistance only unless the seller provides a test.

Common pitfalls

  • Static complications: a moonphase that never moves or a power reserve hand that is glued in place.
  • Stolen photos: reverse-image search the listing photos and ask for a new video with a date card.
  • “1:1” claims: this label has no standard. Ask for measurements and a movement photo.
  • Thick case: a replica that adds a spacer to fit a cheap movement loses the dress-watch profile.
  • Thin plating: gold tone that wears through at the lugs and crown.
  • No return terms: confirm what happens if the moonphase or power reserve arrives dead.

FAQ

Is the replica Breguet Classique 7787 a good first dress watch?

It can be if you accept replica limits. The 7787 look depends on a thin case and a clean dial, so buy the version with correct proportions and working complications. Do not expect genuine finishing under a loupe.

How do I test the moonphase before I pay?

Ask for a short video that shows the moonphase setting via the crown or pusher. Then ask the seller to advance the date by one day and show the disc move. A real moonphase should not jump a full circle in one day.

Does the power reserve indicator really work?

On better replicas, yes. Ask for a video that starts with the reserve low, winds the crown, and shows the hand climb. If the seller refuses, assume it is decorative.

What size strap should I order?

Confirm the lug width on the exact watch. The 7787 pattern is close to 20 mm, but replica cases can vary by a millimeter. Measure the lug gap with calipers before buying a replacement strap.

Can I wear it in water?

No. Treat a replica dress watch as splash resistant. Keep it away from showers, pools, and salt water unless the seller provides a pressure test.