Short answer
Vacheron Constantin has never catalogued a Harmony with the reference 47087. The real Harmony references from the 2015 launch sit in the 5xxx block, things like 5300S, 5400S, 7810S and 5100S. The 470xx range belongs to the first-generation Overseas from roughly 2004 to 2007. So when a listing advertises a "Harmony ref 47087," the number is invented, recycled, or lifted from a supplier spreadsheet. That one detail tells you more about the seller than any photo will.
What the Harmony line actually is
Vacheron Constantin introduced Harmony in 2015 for its 260th anniversary. Every case is cushion shaped, a nod to a 1928 chronograph from the archives. The family covers a monopusher chronograph, a dual time, a complete calendar and a tourbillon chronograph, plus a few ultra-thin grand complication pieces made in tiny numbers. Cases ran from about 37mm to 42mm depending on model, mostly in rose gold or platinum. Movements carried the Poinçon de Genève, and the finishing on the bridges is the sort of thing you need a loupe to appreciate.
Why the number 47087 keeps circulating
Replica supply chains label batches with internal codes. Those codes get scraped into reseller listings, copied by the next reseller, and eventually start to look like a real reference to anyone who has not opened Vacheron's own catalog. Five digits feels plausible because Vacheron did use five-digit numbers for years, just not on Harmony. If a seller cannot tell you which genuine reference a watch is based on, treat that as a gap, not a small detail.
What replicas get right and wrong
- Case profile. The cushion shape is hard to fake well. Soft shoulders and a flat top are the usual giveaway.
- Thickness. A real Harmony chronograph is a slim watch. Modular movements add millimeters, and the watch sits high on the wrist.
- Dial work. Applied markers should be crisp with even polish. Printed text should not smear under a loupe.
- Movement. Genuine pieces use in-house calibres with Geneva stripes and hand-bevelled bridges. Most replicas run generic or lightly decorated movements, and any Poinçon de Genève engraving on a fake is a straight tell.
- Hardware. Buckles, spring bars and crown engraving are where cost cutting shows first.
Questions I would ask before sending money
- What is the exact genuine reference this watch copies?
- Can you send macro photos of the caseback and the movement, not stock images?
- What is the measured case diameter and thickness?
- Is the chronograph a column wheel or a modular add-on?
- What is the return window, and who pays return shipping?
Price and legal reality
A genuine Harmony in gold trades in the five-figure range at auction and retail. Replicas sit far below that. If someone quotes four figures for a replica, you are being overcharged for the same factory output everyone else sells. On the legal side, selling counterfeit watches is illegal in the United States, and CBP can seize imported fakes, so factor that into any purchase you make from overseas.
Bottom line
Reference 47087 is not a Harmony. Use the number as a filter. Sellers who know the real Harmony references can usually describe the watch in front of them, and sellers who repeat invented codes are the ones worth skipping.