Cartier Tank
17 % below RRP
📱 Track this reference's market value on the go with the watch value app — daily median, price alerts and a watchlist.
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.
The current market value of the Cartier Tank (Ref. WSTA0040) is $5,539. The trend points up (plus 14.3% over four months).
What if you had bought back then …
What would a purchase at the median market price back then have become — at today's level of $5,539. A pure return calculation, excluding insurance, servicing and transaction costs.
Data from an aggregated median time series (watch_market_daily). CAGR = Compound Annual Growth Rate, normalized to 365 days. Not an investment recommendation.
🔔Set up a price alert
Be the first to know when the market value for Cartier Ref. WSTA0040 reaches your target threshold. No ads, no newsletters — only the price alerts you set yourself. Cancel any time with a single click.
We send a confirmation email. The alert only becomes active after you click the link in that email (double opt-in). Our privacy notice applies. Multiple alerts per address are possible, max. 10 active at the same time. Not investment advice.
Technical data
Cartier Ref. WSTA0040 — Variants and collector names
Known as: Tank Must XL, Tank Must Extra-Large, Tank Must Grande
Movement variants
- 1847 MC (?–today) · 28800 bph
Bezel variants
- WSTA0040-Bezel-Steel-Polished-Plain
Dial variants
- Silver Flinqué Roman — Roman numerals, date window at 6 o'clock, black railway minute track
Crystal variants
- Saphir-TankMust-XL-41x31
Bracelet variants
- Schwarzes Kalbsleder (körnig), wechselbar Ref. WSTA0040-Strap-Black-GrainedCalfskin-SteelDeployant
Serial numbers
- ? – ? (2021–?) — Modern Cartier serial numbers: 6-digit number, engraved on the case back or lug. No publicly verified serial block data available for WSTA0040.
## The Dial That Sets It Apart
Silver flinqué with Roman numerals: anyone who has seen the pattern in direct light understands why this reference rarely trades below $3,499 on the pre-owned market. The guilloché decoration is not a printing technique — it is engraved directly into the blank before the silver layer is applied. The date aperture at 6 o'clock, a perennial talking point on Cartier watches, is integrated here so cleanly that it reads less like a concession than a considered detail.
## Why the Secondary Market Repriced in 2024
In 2021 the retail price stood at $3,790 with waiting times in Germany running six to eight months. Those who bought then were sitting at roughly 105 percent of their entry price by 2023 — a figure that steel watches under $5,831 rarely sustain. Today the WSTA0040 trades on platforms such as Chrono24 between $3,265 and $3,965 depending on box and papers. The Tank Must Extra-Large remains one of the most accessible watches the Maison has produced in the post-COVID era — and one that does not need to explain itself in a collection, only to prove itself.
Brand profile: Cartier
Cartier watches (Santos, Tank, Ballon Bleu) are popular targets for counterfeiters. The distinctive design (Roman numerals, blue sword hands) is recognizable — but also easy to copy.
- Sapphire cabochon crown: on genuine pieces it's SET INTO THE METAL (bezel-set); on fakes it's usually GLUED. Test: loupe — adhesive residue around the edge = fake.
- Bracelet screws: genuine Cartier bracelets ALWAYS have visible screw slots. Pins instead = fake.
- 'Swiss Made' at 6 o'clock: MICROPRINTED directly beneath the 6 o'clock marker. Fakes often omit it or print it crooked.
- Guilloché pattern: under 10x magnification, EXACTLY parallel and uniformly deep. Irregularities = fake.
Serial number format: Cartier serial numbers: alphanumeric, on the case back. Older models: number located between the crystal ring and the case. New purchases come with a Cartier passport.
Further sources
Buying guide: Cartier Tank
Entry into Cartier
At $5,539 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.
Where the price stands
The price of the Tank has risen by +14.3% over the past four months. Anyone selling now hits a good window. If you want to buy: no need to wait — the market is currently more hot than cold, and a clear end to the trend is not in sight.
Watch out for swings: This reference has an above-average volatility of 61.3 percent. In concrete terms: the price can move by several hundred euros within a few weeks. Check the current value before buying or selling — old listings or auction results from two months ago are of little help.
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 Tank 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 Tank.
- 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.
Check the market value live now
Interactive price analysis with momentum indicator and buy/sell signal.
Go to the market value tool →