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Cartier

Reference SANTOSRONDEOCTAGONORJAUNE18KETACIER
Hold — Stable price development
n/a Insufficient data
$4,103
As of: 09.06.2026
1 month
4 months
Volatility
Momentum score
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ℹ️ 1-month trend

Price change over the past 30 days. Shows the short-term market movement — relevant if you want to buy or sell soon.

ℹ️ 4-month trend

The central metric behind the momentum score. It filters out short-term swings and shows the true, medium-term market trend of this reference.

ℹ️ Volatility

Annualised price fluctuation. Below 10 % = very stable, 10–20 % = normal, above 20 % = volatile. With high volatility the price can change quickly — in both directions. Be cautious about buying without checking the current price.

ℹ️ Momentum score

ChronoCheck's own indicator from 0 to 100, calculated from the 4-month trend, volatility and market direction.

  • Above 60 — Upward trend. Good time to sell, prices are rising.
  • 40 – 60 — Neutral. Stable price level, no pressure to act.
  • Below 40 — Downward trend. Wait or enter at a good price.
ℹ️ Investment Grade A/B/C/D

ChronoCheck's own rating for each reference. A 0–100 point scale, made up of four weighted components:

  • Momentum (40 pts) — trend strength from the momentum score.
  • Liquidity (25 pts) — number of active live listings.
  • Stability (20 pts) — inverse volatility — the calmer, the better.
  • Source robustness (15 pts) — number of independent market sources.
  • A · 75+ Trend is right, liquidity good, data broad.
  • B · 55–74 Solid, but one component weaker.
  • C · 35–54 Average, volatility or market breadth weigh on it.
  • D · below 35 Downward or too little data — a collector's piece.

Not investment advice. Pure data analysis from aggregated market sources.

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Brand profile: Cartier

Cartier watches (Santos, Tank, Ballon Bleu) are popular counterfeiting targets. The characteristic design (Roman numerals, blue sword hands) is recognizable, but also replicable.

Key authenticity features
  • Sapphire cabochon crown: on genuine pieces SET IN METAL (bezel setting), on fakes usually GLUED. Test: loupe — adhesive residue around the edge = fake.
  • Bracelet screws: genuine Cartier ALWAYS has visible screw slots. Pins = fake.
  • 'Swiss Made' at 6 o'clock: MICROPRINT directly below the 6 o'clock marker. Fakes often omit it or print it crooked.
  • Guilloché pattern: under 10x loupe EXACTLY parallel and uniformly deep. Irregularities = fake.

Serial number format: Cartier serial numbers: alphanumeric on the case back. Older models: number between the crystal ring and case. Cartier Passport included with new purchase.

Further sources

Official manufacturer site
Cartier →
Collector discussions
Reddit r/Watches →
Magazine reviews
Hodinkee →

Buying guide: Cartier

Entry into Cartier

At $4,103 this reference is one of the more affordable ways to wear a Cartier on your wrist. That is precisely why many pieces have already passed through several hands — condition varies accordingly. Buyers here should pay particular attention to service history and honest photos from the seller.

What to look out for when buying?

  • Authenticity: The serial number and reference on the case must match the papers. A professional authenticity check of the Cartier reliably rules out counterfeits.
  • Condition: Check scratches on the case and bezel — professional refurbishment can leave traces.
  • Service history: A documented service by the manufacturer or a certified watchmaker increases the value.
  • Scope of delivery: Box, papers and warranty card make a noticeable price difference on the .
  • Independent certification: The CPS-52 standard covers 52 checkpoints — from the serial number and the timing machine to water resistance. The result is secured on the blockchain and can be verified at any time.

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Frequently asked questions about the Cartier

What is the current market value of the Cartier (Ref. SANTOSRONDEOCTAGONORJAUNE18KETACIER)?
The current market value of the Cartier Ref. SANTOSRONDEOCTAGONORJAUNE18KETACIER is $4,103 (as of 09.06.2026). We aggregate asking prices from several independent live market sources — authorised dealers, CPO dealers, pre-owned marketplaces and auction results. The actual sale price can vary by 10–15 % up or down depending on condition, completeness and service history.
How has the price of the Cartier Ref. SANTOSRONDEOCTAGONORJAUNE18KETACIER developed over the past 4 months?
The 4-month trend is stable.
Is now a good time to buy or sell the Cartier ?
Stable market conditions — no acute pressure to act. This assessment is based on the market trends of the past 4 months and is not investment advice. Before any transaction we recommend checking the current market price up to date — for example with our free market value tool.
What should I look out for when buying a Cartier ?
The key things to check when buying a Cartier are: 1) that the serial number and reference match the papers, 2) the condition of the case and bezel (scratches, signs of polishing), 3) completeness of box and warranty card (a 10–15 % price premium for a full set), 4) a documented service history, 5) an independent authenticity check — advisable from a purchase price of 5,000 EUR.
How do I tell whether a Cartier is genuine?
With a Cartier, counterfeits can usually be spotted from several details: the weight and material quality of the case, the precise execution of the bezel and dial, correctly engraved serial numbers at the prescribed depth, and the behaviour of the movement. A forensic authenticity check to the CPS-52 standard examines 52 individual points and is the most reliable method — especially for purchases over 10,000 EUR.
Where can I sell a Cartier Ref. SANTOSRONDEOCTAGONORJAUNE18KETACIER?
There are several channels for selling a Cartier : 1) specialist online dealers (Chrono24, Watchfinder, Wempe, Chronext) — fast, but with a 10–20 % margin deduction, 2) auction houses (Phillips, Christie's, Sotheby's) — higher proceeds possible, takes 3–6 months, 3) private sale (classifieds, WatchUSeek) — highest proceeds, but more effort and fraud risk. In our experience a ChronoCheck valuation report raises the achieved sale price by 5–10 %.

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