Short answer
A listing that sells a "tourbograph perpetual calendar" watch describes how the dial looks. It does not describe the movement. The genuine watch behind the name is the A. Lange & Söhne Tourbograph Perpetual, a hand-wound piece with a one-minute tourbillon, a chain and fusée drive, a rattrapante chronograph, and a perpetual calendar. Replica sellers copy the layout of the subdials and the case shape. The inside is a stock automatic caliber with a decorative plate.
What the original name covers
Lange builds the Tourbograph in a small series. The movement holds a tourbillon cage, a fusée with a chain, and a calendar that needs no manual correction in a common year. Case size is about 43 mm. Retail is a six-figure number. Those three parts, tourbillon, chain drive, and perpetual calendar, are the reason the model has a name of its own.
Each claimed feature, and what it means at replica price
- "Skeleton tourbillon." In most low-cost replicas this is an open balance wheel or a rotating bridge. A true cage turns once per minute and holds the balance and escapement. Film it for 60 seconds and count the turns.
- "Perpetual calendar." A real perpetual calendar moves from 28 February to 1 March in a common year with no pusher and no crown work. Most replicas use an annual or simple calendar module that needs a correction each February. Test the watch in a non-leap year date.
- "Sapphire crystal." Many shipments arrive with mineral glass. Sapphire does not scratch with a steel pin. Test on the edge of the glass, not the center.
- "Swiss movement." Ask for a caliber number and a photo of the balance assembly. Common bases are Seagull, Hangzhou, and Miyota. A Swiss label without a caliber number has no support.
- "1:1 super clone." This is a marketing phrase. No standards body defines it and no seller publishes tolerances against it.
- "Moonphase." Check the disc. A printed 29.5-day disc that moves one step per day is correct. A disc tied to the hour wheel is not.
Signals that a listing is inaccurate
Compare the subdial positions against photos of the genuine reference. Replica dials often place the month and the moonphase at the wrong radius. Check the spelling on the dial text, the date font, the case thickness, and the lug width. Ask for the weight in grams. A case that matches the original in size but not in weight points to a stamped case. Ask for a video of the chronograph start, stop, and reset. A rattrapante function needs a second pusher at 10 o'clock and two seconds hands.
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US legal and shipping facts
A watch that carries a copied trademark is prohibited merchandise. Trafficking in counterfeit goods is a federal offense under 18 U.S.C. § 2320. U.S. Customs and Border Protection can seize and destroy an imported shipment, and the buyer has no refund path. Resale of a replica described as genuine is a separate offense with higher penalties. Trademark owners record their marks with CBP, which lets agents target shipments by name and by shipper.
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Checks before any payment
- Request a 60-second video of the tourbillon cage in motion.
- Request a photo of the caseback and the movement ring.
- Confirm the return address is in the same country as the seller.
- Confirm the payment method offers a chargeback route.
- Compare every dial photo to the genuine reference photo, side by side.
No replica at any price carries the Lange movement, the chain and fusée, or the service network. A buyer who wants those parts buys the original or buys nothing.