Start with the movement. On a fake Blancpain, the movement finish, the rotor engraving, and the jewel layout are where the shortcuts show up first. That check, together with dial printing, caseback engraving, and a serial number that matches the paperwork, forms the four criteria this guide uses. It is written for someone holding a watch or studying photos and needing a decision, not a history lesson.
The Movement: The Strongest Single Check
A display back turns authentication into a visual exercise. Compare the movement against the reference specification published for that model: jewel count, power reserve direction, rotor decoration, and the shape of the bridges. Counterfeit movements often look close in a phone photo and fall apart under a loupe, where you can see uneven perlage, laser-etched text that lacks depth, and screws with chewed slots.
Pros
- Hard to fake convincingly at macro level, so it filters most bad copies in one step.
- Verifiable against the maker's own published specification for the reference.
- Winding feel and crown action give a second signal without tools.
Cons
- Many vintage pieces have solid casebacks, so you never get a clean look.
- Some fakes are built around older movements that are themselves real, just not original to the watch.
- Judging finish properly needs a watchmaker, magnification, and time.
Use this check when: you can inspect in person or send the watch to a watchmaker on a returnable basis before money changes hands.
Dial Printing, Hands, and Lume
Typography is a quiet tell. Look at the weight of the logo, the spacing between letters, the alignment of the date window, and whether the printed track sits concentric to the applied markers. Hands should be polished on the bevels with clean edges, and lume should sit level inside its frame rather than pooling at one end.
Pros
- Visible in ordinary photos, so it works for remote buying.
- Catches the mass-produced copies that get proportions wrong.
- Requires no tools beyond a magnifier or a zoomed image.
Cons
- Lighting and lens distortion hide flaws that exist, and invent flaws that do not.
- Service dials and refinishing can muddy a real watch.
- At arm's length, a careful copy can pass casual inspection.
Use this check when: you are buying from photos and cannot handle the watch, but ask for shots at an angle with raking light.
Case, Crown, and Caseback Engraving
Engraving depth is the point here. Real caseback text is cut cleanly with sharp shoulders, while many fakes show shallow, rounded lettering from a stamp or a poor laser pass. Check crown thread quality, the crispness of the case flanks, and whether the reference and serial numbers on the back match the documentation and the movement.
Pros
- Engraving quality is difficult to replicate at low cost.
- Numbers can be cross-checked against service records and papers.
- Case proportions expose copies built on the wrong base.
Cons
- Heavy polishing softens engraving on legitimate watches too.
- Serial numbers get copied along with everything else.
- Frankens mix real cases with wrong movements, confusing the picture.
Use this check when: you are shopping vintage, where cases have been refinished and paperwork is thin.
Strap, Buckle, and Packaging
Boxes and papers are the weakest evidence in the room. They are simple to print and easy to buy separately, and a real watch often arrives with a replacement strap. Treat packaging as a small bonus rather than proof.
Pros
- Buckle finishing and strap stitching are quick visual filters.
- Correct packaging adds context when everything else lines up.
Cons
- Fake boxes and cards are common and inexpensive.
- Straps and buckles are wear items that get swapped.
- Papers alone prove nothing about the watch in front of you.
Use this check when: it is the only thing left to compare, and never as the deciding factor.
What a Replica Cannot Give You
Importing counterfeit goods into the United States is prohibited, and shipments get seized. Beyond the legal side, a copy has no parts support, so a routine service becomes a search for a donor movement. Water resistance claims should be treated as advertising rather than engineering. Resale value is close to zero, and the bigger risk is that a copy later gets sold to someone as the real thing.
If what you want is the look, a design-forward watch from a brand that does not trade on another company's name gets you there without the customs risk or the service dead end. If what you want is the actual watch, buy from an authorized source or a seller who accepts an inspection period with a full refund.
Which Check Fits Your Situation
- Buying in person at a fair or shop: movement first, then engraving.
- Buying from photos online: dial printing and hands, plus angled shots of the caseback.
- Buying vintage: engraving and serial consistency, since movements may be period-correct but not original.
- Buying as an investment: none of these checks replace a written authentication from a qualified watchmaker.