Short answer
The Rolex Perpetual 1908 is a genuine Rolex line. The string 52513 is not how Rolex identifies a 1908 model. It appears in aftermarket and replica listing text, where sellers blend partial case references, dial codes, and their own stock numbers into one searchable phrase. If a listing leads with "1908 52513" and a price in the hundreds of dollars, you are looking at a counterfeit, not at an unusual reference.
What the Rolex 1908 Actually Is
Rolex introduced the Perpetual 1908 in 2023 as the replacement for the Cellini line. It is a 39 mm dress watch built only in precious metal: 950 platinum and 18k yellow, white, and rose gold. There is no steel version and no two-tone version. The movement is the calibre 7140, a self-winding three-hand movement with a Syloxi silicon hairspring and a power reserve in the 66-hour range. Retail prices start in the five-figure dollar range and rise with the platinum model.
Where the Number 52513 Comes From
Rolex reference numbers for the 1908 sit in the 525xx block, which is why the digits look plausible at a glance. Counterfeit sellers reuse that block because buyers search by number, not by description. The full string rarely matches a published Rolex reference, and it never appears on a Rolex model page. Treat any listing that treats 52513 as a model name as a red flag on its own.
Why the 1908 Is a Frequent Counterfeit Target
- The dial is a plain three-hand layout. There is no chronograph, no date window, and no complication that a cheap movement can visibly misalign.
- Precious metal is easy to imitate from a distance with gold plating over brass or steel.
- Dress watches sell on looks in photos, and photos hide weight, finish, and movement quality.
- Demand is steady and supply from Rolex is limited, which pushes buyers toward the secondhand market.
What You Risk
- Legal exposure. Counterfeit watches are infringing goods. Import shipments can be seized, and selling counterfeits carries civil liability and can be prosecuted as a criminal offense.
- No resale value. A counterfeit has no secondary market beyond other counterfeit buyers, and authentication kills any deal.
- No service path. Rolex will not touch it. Independent watchmakers cannot order parts for a movement that was never made by the brand.
- Metal and skin issues. Plated cases wear through at the lugs and caseback, and low-grade alloys can irritate skin.
- Timekeeping drift. Generic movements are not regulated to chronometer standards and often run fast or slow out of the box.
How to Check a 1908 Before You Pay
Gather a 10x loupe, a gram scale, sharp photos of the caseback and the lugs, and access to a watchmaker with a timing machine.
- Ask the seller to name the exact reference and confirm it against Rolex published specifications. If they cannot, stop.
- Weigh the watch on a gram scale. Platinum and 18k gold cases carry real mass. A plated steel or brass case will read light for its size.
- Look for Swiss precious metal hallmarks and the correct metal stamp on the caseback and between the lugs. Counterfeits usually skip them or engrave them badly.
- Inspect the dial under the loupe. Check the coronet, the printed text, and the minute track for bleeding edges or uneven spacing.
- Examine the strap, buckle, and spring bars. Hardware should match the case metal and carry crisp markings.
- Have a watchmaker open the watch and put it on a timing machine. Confirm the beat rate, amplitude, and power reserve against the calibre 7140 specification.
- Compare the serial and reference engraving between the lugs to Rolex engraving depth and letterform. Laser etching looks shallow and flat.
- Walk away if any single check fails. One mismatch is enough.
What to Do Instead
If the 1908 is out of budget, buy a genuine watch you can authenticate and service. Pre-owned dress watches from established brands hold value, come with service history, and can be resold. A counterfeit 1908 gives you the silhouette and nothing else: no warranty, no parts, no resale, and a legal problem if you ever try to sell it.