Short answer
A fake Vacheron Constantin 4500V is a counterfeit of the Overseas 41mm three-hand date watch, a steel piece that sells new for about $22,000 to $25,000 depending on dial. Today's replicas get the silhouette close and the details wrong. Case thickness, dial finish, date placement, and above all the movement give them away. Not one of them carries the Hallmark of Geneva, and none can be serviced by Vacheron Constantin.
What the real 4500V is
The reference 4500V/110A-B128 is the stainless steel Overseas with a blue lacquer dial. A 41mm case, about 11mm thick, an in-house calibre 5100 with a 60-hour power reserve, and a soft-iron inner cage for magnetic resistance. The bezel carries the Maltese cross shape cut into six notches. The bracelet uses a quick-release system, so you can move to rubber or leather without tools. The movement is finished to Geneva Seal standard, which is a defined set of criteria written into law, not a slogan.
Where the replicas miss
Case and thickness
Most fakes run 1 to 2mm thicker than the genuine article. On a 41mm watch that reads as a slab on the wrist. The lug profile is softer, and the polished bevel along the case flank loses its sharp line.
Dial
Blue is the hard part. The genuine dial has a deep layered lacquer that swings from near-black to cobalt as the angle changes. Replica dials look flat, and they drift purple in daylight. Check the date window at 3 o'clock. On the real watch the aperture is cut clean and the date font is thin. Fakes show a heavier font, or a date wheel sitting a touch high in the window.
Movement
This is the tell that cannot be copied at the price. Replicas run decorated Asian or ETA clones with an engraved rotor. Look through a loupe at the balance, the anglage, and the perlage. The genuine 5100 is finished by hand. Replica finishing is stamped and even in a way real handwork never is.
- Genuine: free-sprung balance, Geneva stripes with hand-beveled edges
- Replica: regulator arm visible, flat engraving on the rotor
Bracelet and strap change
The quick-release tabs on a real Overseas bracelet snap with a firm click and sit flush with the case. On replicas the tabs feel stiff, or the bracelet needs a tool to remove.
How to check one in 60 seconds
- Ask for a caseback photo and study the movement finish.
- Measure thickness. Over 12.5mm on a 4500V is a problem.
- Ask for service history. A real one has a Vacheron service record, or box and papers that can be verified.
- Check the price. Nobody sells a genuine steel Overseas for $1,800.
What you get if you buy one
No warranty, no parts, no service from the maker, and no resale value. Any watchmaker willing to touch it is working on an unknown movement with no parts supply. If it crosses a border, US Customs can seize and destroy it, and the buyer has no recourse. Trafficking in counterfeit goods is a federal offense under the Trademark Counterfeiting Act, and selling carries real criminal exposure.
The honest bottom line
I get the appeal of the design. The Overseas is a great-looking watch and the price gap is huge. But a fake 4500V is not a cheaper version of the same object. It is a different object with a similar outline, and the whole point of this watch, the movement and the finishing, is the part that gets left out. If what you want is a steel sports watch with an integrated bracelet, there are legitimate options at every budget that you can own, service, and sell.