How to tell if a Rolex is real: what to check, in order

There is no single tell. A genuine Rolex is judged on a group of details that all have to agree with each other: the printing on the dial, the date magnifier, the engraving around the inner bezel, the serial and reference numbers, how the case and bracelet are finished, and finally the movement inside. A fake usually fails on two or three of those at once rather than on one show-stopping flaw.

If you can only do one thing, have the watch examined by a watchmaker who services Rolex, or take it to an authorised Rolex service centre. Everything you can check yourself is a filter: it tells you whether the watch is worth paying for a proper inspection, not whether it is genuine.

• Daylight or a bright desk lamp, plus a small torch so you can rake light across flat surfaces at an angle.
• A 10x jeweller's loupe. Most of the details that matter are too small for the naked eye.
• Reference photographs of the same reference number, so you can compare dial layout, case shape, bezel and bracelet style. You are checking that the watch matches its own model, not just that it looks Rolex-like.
• Any paperwork there is: warranty card, service receipts, original purchase details, spare links.
• The reference number and serial number, written down. You will want them later.
• A watchmaker lined up in advance, ideally before you commit to buying anything.

Printing quality is the single most useful thing to look at with a loupe. On a genuine dial the text is applied cleanly, edges are sharp under magnification, and everything is aligned to the same baseline. On a fake you tend to see slightly fuzzy edges, uneven spacing between words, ink that has crept beyond the letter shapes, or a dial that looks flat and slightly metallic under raking light rather than having a true sunburst or even matte finish.

Look at the bottom of the dial too. The Swiss Made marking should sit symmetrically, and on newer references where the coronet sits between Swiss and Made, the spacing and alignment are precise. Markers are worth the same attention: applied indices that lean, sit at different heights or have lume sitting proud of the frame are a bad sign.

Serial and reference placement tells you a lot, because it has to match the age of the watch. Older Rolex have the numbers engraved between the lugs, under the bracelet. From the mid-2000s many references moved the serial to the rehaut at 6 o'clock. Look at the style of the engraving as well as the digits: a laser-etched number on a watch whose era should have a stamped one is a mismatch, and so is a serial that looks freshly cut into an old case.

On most modern sapphire crystals there is a tiny coronet etched in the crystal at 6 o'clock, visible only with a loupe held at an angle in the right light. Good fakes now copy it, so treat it as one consistency check among many rather than proof either way. Case finishing deserves a look as well: genuine case flanks and lug bevels are defined, while fakes often look slightly rounded or over-polished, and the transition between brushed and polished surfaces can be blurred.

On most modern bracelets the links are held by screws rather than pins, the end links meet the case with no visible gaps, and the bracelet should feel solid rather than rattly. The clasp is a good place to look closely: the folding action should be firm, the coronet crisp, and the inside of the clasp properly finished with no sharp edges left from casting.

Weight is the test people reach for first, and it is the least reliable. A steel Rolex has a certain heft and a gold one more so, but fakes are now built with tungsten inserts to match the weight of the real thing. Never decide on weight alone, and never decide on the smoothness of the seconds hand alone — both are easily copied.

Boxes, warranty cards, booklets and stickers are faked in quantity and sold separately from watches, so paperwork supports a watch rather than authenticating it. What you are checking is consistency: does the card's reference and serial match the watch, do the dates and model make sense together, and does the seller's account of where it came from hold up when you ask a few plain questions?

Be cautious with the familiar patterns — no paperwork because it was a gift, a warranty card whose serial doesn't match the case, a service history that exists only in conversation, or a seller who won't meet at a watchmaker's premises. None of those is proof of anything on its own, but each one should change how much you rely on the seller's word.

• Relying on weight. Tungsten-loaded fakes now match the heft of a genuine watch closely.
• The smooth seconds-hand myth. Plenty of fakes beat at the same frequency as a real movement. A smooth sweep rules out quartz, nothing more.
• The magnet test. Running a magnet over a watch proves nothing at all, and can magnetise a genuine one so that it starts running fast.
• Assuming any jeweller will authenticate it. Many will happily sell a watch but won't certify one. Ask specifically for a watchmaker's inspection and what it covers.
• Confusing not original with not genuine. A real Rolex with a replacement dial, aftermarket bezel or heavily refinished case is still genuine, but it is no longer original and is worth less. Sellers blur that distinction.
• Checking one thing and stopping. The whole point of the checks is that they agree with each other. One clean detail means very little.

Do not open the caseback yourself. Amateur attempts scratch the case, damage the seal and mean the watch needs a pressure test afterwards, all of which costs you money and trust with the seller. If a seller won't let a watchmaker open it, that refusal is your answer.

Never send a deposit to a private seller before inspection, and don't hand over money in a car park. Meet at a watchmaker's premises or somewhere with CCTV and staff, bring someone with you, and keep photographs, messages and receipts. Pay in a way that leaves a record and offers some protection.

If the watch is inherited rather than bought, get it checked before you spend anything on restoration — and don't polish it, clean it with abrasives or have links removed first. Original condition carries value, and over-polishing can't be undone.