Cartier Tank Américaine Watch, Mini Model, Quartz Movement
18 % below RRP
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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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Technical data
Cartier Ref. WSTA0081 — Variants and collector names
Known as: Tank Américaine Mini, TA Mini, Tank Am Mini Steel
Movement variants
- 157 (2023–today)
Bezel variants
- WSTA0081-Bezel-Steel-Polished
Dial variants
- WSTA0081-Dial-Silver-Sunray-Roman — Roman numerals, minute divisions on the inner dial edge, blued steel sword hands, no date
Crystal variants
- Saphir-TankAmericaine-Mini
Bracelet variants
- Shiny Blue Alligator Leather Strap Ref. WSTA0081-Alligator-Blue-Ardillon
Cartier has been building the Tank Américaine since 1989, with its signature curved case that follows the shape of the wrist. The WSTA0081 is the Mini version of this line — collectors simply call it the TA Mini or Tank Am Mini Steel. This model crosses my desk more often than you'd expect, usually from clients after an everyday Cartier without the dial presence of a full-size Tank.
## Dial and Bezel: Sunray Silver Instead of Guilloché
The dial has a silver sunray finish with Roman numerals — more understated than the classic guilloché pattern on older Tank references, but unmistakably Cartier the moment it catches light. The bezel is polished and made from the same 316L steel as the case, a detail I check first on any inspection, since satin-finished fakes often get this wrong.
## Caliber 157: A Quartz Movement That Makes Sense Day to Day
The WSTA0081 runs on the caliber 157, a quartz movement. For a Mini Tank bought mainly as a second watch or an entry point into Cartier, that's not a compromise — it's the right answer for a slim case with limited movement height.
## What Makes the WSTA0081 Interesting on the Secondary Market
No production changes have been documented for this reference so far, which makes valuation straightforward — unlike Tank references that have gone through several dial generations. Buy a WSTA0081, and you're getting a model that's consistent throughout its run, with no internal price spread caused by variants.
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 Américaine Watch, Mini Model, Quartz Movement
Entry into Cartier
At $3,676 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 Tank Américaine Watch, Mini Model, Quartz Movement 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 Américaine Watch, Mini Model, Quartz Movement.
- 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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