A fake Tourbograph 510.105 is a replica of the A. Lange & Söhne Tourbograph, a hand-wound split-seconds chronograph built around a one-minute tourbillon and a fusée-and-chain transmission. The genuine watch holds more than 400 parts and takes months of hand finishing, so no replica reproduces its movement. Buyers searching this reference are almost always looking at a visual approximation, not a mechanical copy.
What makes the Tourbograph 510.105 special?
The Tourbograph Pour le Mérite family pairs three rare complications in one case: a tourbillon, a split-seconds chronograph, and a constant-force fusée-and-chain drive. The chain alone is assembled from hundreds of tiny hand-fitted links, and the balance cock is hand engraved by a single artisan.
Lange released the first Tourbograph Pour le Mérite in 2005 in a small numbered run, then followed with a perpetual calendar version years later. Reference numbers that appear on listing sites do not always match the maker's own catalog, so treat any "510.105" label as a seller description rather than an official designation.
Why a true 1:1 fake Tourbograph 510.105 does not exist
A working fusée-and-chain transmission cannot be mass produced at replica prices. Add a split-seconds mechanism and a real tourbillon and the parts count, assembly time, and finishing hours push any honest build into five figures.
Chinese factories do make genuine tourbillon movements, so a replica can have a cage that truly rotates. That is a world away from a chain-driven split-seconds chronograph with Lange-level finishing, and no factory currently combines all of it.
What a replica Tourbograph usually contains
- Case and dial shaped to look right in photos, often with soft lug edges and shallow engraving.
- Either a decorated automatic movement with a fake cage, or a real entry-level Chinese tourbillon without split-seconds.
- Laser-etched or stamped decoration that mimics hand engraving but lacks depth and irregularity.
- Caseback text with spacing or font errors that the maker never used.
How to evaluate a fake Tourbograph listing
- Request a timestamped macro video of the tourbillon cage running, not a stock clip.
- Ask whether the chronograph is split-seconds and whether both hands stop and restart independently.
- Compare caseback engraving and dial printing against official maker photography.
- Ask about case weight and thickness, since replicas rarely match the original profile.
- Check whether the price fits a real tourbillon build, which starts in the high hundreds of dollars.
Red flags in Tourbograph replica listings
- Photos borrowed from auction houses or press images.
- Pre-order only, with no physical sample photos available.
- Claims of "Swiss made" on a watch priced like a fashion piece.
- Marketing text promising an identical fusée-and-chain movement.
Frequently asked questions
Does a 1:1 fake Tourbograph 510.105 exist?
No. A 1:1 copy would need a hand-built chain drive, a split-seconds chronograph, and a finished tourbillon, which no replica workshop produces.
Is a replica tourbillon a real tourbillon?
Sometimes. Some replicas use a genuine low-cost tourbillon movement, while others hide a stationary decorative cage behind the dial.
Are replica Tourbograph watches legal to buy?
In the United States and most of Europe, selling counterfeit branded watches is illegal, and shipments can be seized by customs. Buyers take on that risk with every order.
Bottom line
A fake Tourbograph 510.105 can look convincing in a wrist shot and falls apart under a loupe. If a listing promises an exact mechanical copy of the Pour le Mérite movement, the claim itself is the proof that the seller is not being honest.