Encyclopedia / Cartier / Tank Must
No real new deal right now · checked Oct 19, 2026, 10:06 PM ET
$2,850 – $4,150 pre-owned street range
WSTA0041 (median ~$3,550)
No new deal: Cartier's US page for WSTA0041 no longer loads, and WatchMaxx showed it out of stock. Cartier US now lists the large Tank Must on a steel bracelet (CRWSTA0106) at $4,400.
What it really costs
| Market | Price | Source |
|---|---|---|
| Cartier US retail | WSTA0041 not listed · CRWSTA0106 (bracelet) $4,400 | cartier.com |
| Grey-market new | Out of stock at WatchMaxx | watchmaxx.com |
| Pre-owned WSTA0041 | about $2,850 – $4,150 (median ~$3,550) | Chrono24 |
All prices in USD, checked Oct 19, 2026 (ET). Pre-owned ranges are the middle 80% of asking prices on the first Chrono24 results page for that ref (about 60 listings, used and some unworn), fixed-price listings only. Grey-market = brand-new from a non-authorized dealer.
Buying guide
Key references
| Ref. | What it is | US retail |
|---|---|---|
| WSTA0041 | Large Tank Must, steel, silver dial, black leather strap, quartz | No longer on Cartier US |
| CRWSTA0106 | Large Tank Must, steel bracelet | $4,400 |
Which one I'd pick
Pre-owned WSTA0041 vs new CRWSTA0106: a WSTA0041 near the $3,550 median saves about $850 against the new bracelet version at $4,400, and you can always add a bracelet look later with straps. If you want new with Cartier's warranty, the bracelet model is what's on offer.
What to check before you buy
- Ref check: Tank Must listings mix small, large and solar 'SolarBeat' versions. Match the ref (WSTA0041) before comparing prices.
- Battery and service: ask when the quartz movement was last serviced or had its battery changed.
- Fakes and red flags: the Tank is widely faked. Check the cabochon crown, the dial printing and the caseback.
Alternatives worth a look
- Cartier Santos de Cartier: Cartier's automatic sports-dress watch. (35.1 x 41.9 mm steel (medium), Calibre 1847 MC, retail $8,400 (WSSA0029, medium, steel, Cartier US))
- Jaeger-LeCoultre Reverso Tribute Small Seconds: The other rectangular Art Deco icon, mechanical. (45.6 x 27.4 mm stainless steel, Calibre 822/2, retail $12,000)
- Cartier Ballon Bleu de Cartier 40 mm: A round automatic Cartier. (40 mm steel, Calibre 1847 MC)
History
Louis Cartier created the Tank in 1917, inspired by the new Renault tanks he saw on the Western Front.
The Tank was introduced in 1918 and entered full production in 1919, when six pieces were made. Its lines and proportions echo the tanks of First World War battlefields, with the strap integrated into vertical sidebars called brancards.
The Tank Must is the entry point to the line today. The large WSTA0041 used a high-autonomy quartz movement on a leather strap; Cartier US now lists the large model on a steel bracelet instead.
The design dates to 1917, but it went on sale in 1919.
Specifications
| Brand | Cartier |
|---|---|
| Model | Tank Must |
| Key references | WSTA0041 (large, leather, discontinued), CRWSTA0106 (large, steel bracelet, current) |
| Launch year | 1917 (Tank) |
| Case | 33.7 x 25.5 mm steel (large) |
| Thickness (CRWSTA0106) | 6.6 mm |
| Water resistance (CRWSTA0106) | 3 bar (~30 m) |
| Movement | High-autonomy quartz |
| Power reserve | Not confirmed |
| Water resistance | 30 m |
| Approx. US retail (Oct 2026) | $4,400 (CRWSTA0106, large, steel bracelet, Cartier US); WSTA0041 no longer listed |
Specs from the brand's official product page for the main reference. Retail prices are list prices, not market value, and change often.
Highlights
- Rectangular brancards
- Blue cabochon crown
- Roman numeral dial
FAQ
How much is a Cartier Tank Must?
The large WSTA0041 is no longer listed on Cartier US; pre-owned asking prices on Chrono24 mostly ran about $2,850 to $4,150 (checked Oct 19, 2026). The current large Tank Must on a steel bracelet, CRWSTA0106, is $4,400.
Is the Tank Must WSTA0041 discontinued?
Cartier's US product page for it no longer loads, and Cartier US lists the CRWSTA0106 bracelet model instead.
When was the Cartier Tank created?
Louis Cartier designed it in 1917; it entered full production in 1919.
Is the Tank Must automatic?
The WSTA0041 uses a high-autonomy quartz movement.
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Get the free weekly issuePrices and availability last checked Oct 19, 2026. No affiliate links: I don't earn anything if you buy. Sources are listed in our research notes and linked above.