Short answer
A replica Breguet Marine 5577 is a counterfeit copy of a Breguet tourbillon. The genuine watch is Swiss-made, uses a gold or titanium case, and carries a Breguet calibre. No watch sold under the 5577 name for a few hundred dollars holds that movement. US law blocks import and sale: 19 U.S.C. 1526 treats counterfeits as restricted merchandise, and Customs and Border Protection can seize and destroy a shipment. Replica prices run from about $180 to $1,200. The genuine watch trades in the tens of thousands of dollars on the secondary market.
What the genuine 5577 is
Breguet files reference 5577 under the Marine line as the Marine Tourbillon. Public dealer listings for the model state a case diameter near 42 mm and a sapphire crystal on both sides. Case options listed by sellers include 18k rose gold and titanium. Breguet has changed dial colors and strap choices across runs, so the current manufacturer sheet is the source to check for a given version. Launch year and the full production history are not published in one place, and this guide does not state them.
What replica sellers ship
Most 5577 copies run on one of three movements: a Chinese clone of the ETA 2824, a Miyota 9015, or a skeleton movement with a faux tourbillon cage. A true tourbillon carriage holds the balance wheel and escapement and turns once per minute. A faux cage is a dial decoration and carries nothing. Copies with a working tourbillon cost more, in the $500 to $1,200 band, and many of those use a Chinese tourbillon calibre rather than a Swiss one.
Tells to check on a copy
- Caseback engraving. Laser etching looks shallow and dotted under a loupe. Breguet stamps deep.
- Dial guilloche. Breguet cuts the pattern on a rose engine. Copies stamp it. Stamped lines show a flat top and rounded edges.
- Hands. Breguet hands carry a hollow eccentric tip with an offset circle. Copies use solid hands or miss the circle.
- Case height. A tourbillon cage adds thickness. Thin copies use a flat caseback with a printed movement.
- Serial numbers. Breguet puts one number on each case. A seller who shows the same serial on two watches is showing stock photos.
- Papers. A genuine watch ships with a numbered certificate. A replica ships a printed card.
Prices
Wholesale listings for the 5577 sit between $180 and $1,200. The gap tracks the movement and the case metal. Plated brass cases lose their color in 6 to 18 months of daily wear. 316L steel cases last longer. A claim of Swiss made on a replica is false. Swiss law requires at least 60 percent of production costs in Switzerland, plus technical development there, before a watch can carry that label.
US law
Counterfeit watches fall under the Lanham Act, 15 U.S.C. 1114. Statutory damages reach $200,000 per counterfeit mark per type of goods, or $2,000,000 for willful use, under 15 U.S.C. 1117(c). CBP seizes counterfeit shipments, including single-item personal orders, and the buyer loses the payment. Card networks bar counterfeit sales, so many replica sellers accept wire transfer or crypto alone. Those payment methods leave the buyer with no chargeback.
Checklist before payment
- Ask for photos of the watch with a dated note in frame, not catalog images.
- Ask the movement name and ask for a photo of the movement.
- Ask for case diameter and thickness in millimeters.
- Ask for the return window in days and the shipping carrier.
- Ask for the reference and serial number on the caseback of that exact watch.
Bottom line
The 5577 name sells a copy of a tourbillon at 1 percent of its price. The two objects share a dial layout and little else. A buyer who wants the Marine Tourbillon should check the Breguet reference sheet and the secondary market for a numbered example with papers.