The Cartier Tank Américaine Mini WGTA0405 is a brand-new dress watch in 18k yellow gold, with a case measuring 27.9mm by 15.2mm, a silver dial with Roman numerals, a quartz movement and a matching yellow gold bracelet. It sits at the smaller end of the Tank Américaine family, whose elongated, curved case has defined the line since Cartier introduced it in 1989. This guide covers what the specifications mean on the wrist, how the mini size compares with larger Américaine references and the flatter Tank Louis Cartier, what to check before buying, and current price context. Bizak & Co. sources the WGTA0405 to order; the Cartier Tank collection lists the configurations we can seek.
Last reviewed on September 28, 2026 by Filip Biczak. Prices are dated observations, not quotes.
Cartier Tank Américaine Mini WGTA0405 specifications
| Attribute | WGTA0405 |
|---|---|
| Reference | WGTA0405 |
| Model family | Cartier Tank Américaine |
| Case size | 27.9mm x 15.2mm (mini) |
| Case material | 18k yellow gold |
| Dial | Silver with Roman numerals |
| Movement | Quartz |
| Bracelet | 18k yellow gold, integrated |
| Condition | Brand new, full set |
| Bizak catalogue price, 28 Sep 2026 | US$24,099, sourced to order |
Specifications drawn from Bizak & Co.'s listing for the WGTA0405. Cartier is a member of the bodies represented by the Fédération de l'Industrie Horlogère Suisse, the Swiss watch industry federation whose standards cover Swiss-made watch production.
How the mini Américaine case wears
The case measures 27.9mm long by 15.2mm across, and that narrow width is the detail that defines how the watch sits on the wrist. It reads as a slim, vertical shape rather than a conventional round dial, and because the whole watch, case, bezel and bracelet, is 18k yellow gold, there is no mixed metal to coordinate with other jewellery. The curved case profile, a signature of the Américaine line since its 1989 introduction, follows the contour of the wrist rather than sitting flat against it, which is part of why the silhouette reads as comfortable despite the precious-metal construction.
The quartz movement means no winding and no rotor. For a dress watch worn on occasion rather than daily, that is a practical trade-off: the watch keeps time reliably with essentially no maintenance ritual required, at the cost of the mechanical romance a hand-wound or automatic piece offers. The silver dial with Roman numerals is legible without being busy, consistent with Cartier's broader Tank design language.
The dealer's take
Buyers who come to us for this reference usually know exactly what they want: yellow gold, the mini size specifically, and the Américaine case shape rather than the flatter Tank Louis Cartier or the rectangular Tank Française. The questions we hear most are about bracelet fit on smaller wrists, and whether the full set of box and papers is included; this example is brand new with both, which answers the second question before it is asked.
We see three recurring buyer profiles for this piece. Some are adding it to a collection that already includes a white gold or steel Cartier watch and want the yellow gold version to round things out. Others are buying a first fine watch and want something wearable daily without the upkeep of a mechanical movement. A third group is buying as a gift, where the recognisable Tank silhouette and the all-yellow-gold presentation make the piece easy to present.
A less common but recurring question is about layering the WGTA0405 with other jewellery. Because the case, bezel and bracelet are a single yellow gold tone, the watch stacks cleanly with yellow gold bangles or bracelets without the colour-matching problem a two-tone piece can create. Buyers building a monochrome gold wardrobe tend to see that as a deliberate advantage of this reference over mixed-metal Cartier options.
Tank Américaine sizes and the Tank Louis Cartier compared
- Tank Américaine, mini (this reference): The smallest Américaine execution, at 27.9mm by 15.2mm, suited to a narrow or medium wrist.
- Tank Américaine, larger references: The same curved case shape scaled up, offering more wrist presence for buyers who like the silhouette but want a bigger watch.
- Tank Louis Cartier: A flatter, more traditional rectangular Tank profile without the Américaine's curve, on a strap rather than an integrated bracelet in most configurations. Buyers who prefer straight lines to the Américaine's contoured case often compare the two before deciding.
Compare current availability across the family in our Cartier Tank collection, or browse the full Cartier catalogue.
What to check before buying a Tank Américaine
- Verify the full set. Confirm the box, papers and any accessories are present and match reference WGTA0405; the papers should show a serial number consistent with the case.
- Inspect the bracelet links and clasp. On a yellow gold bracelet, check each link for scratches, stretched pins or loose play; the clasp should close with a firm click and show no wear on the locking mechanism.
- Check the dial and crystal. Look at the silver dial under good light for discolouration or spotting, and confirm the crystal is free of chips or deep scratches around the edges.
- Confirm the crown and case integrity. The crown should screw or push in cleanly with no wobble; check the case edges and corners for dents or damage suggesting an impact.
- Confirm price and delivery in writing. Because Bizak sources this reference to order, get the final price, condition and expected timeline confirmed before paying a deposit.
Our authentication process describes what we inspect before a watch is dispatched to a buyer.
Who the WGTA0405 is for
This watch suits someone who wants a slim, dress-ready piece in full yellow gold with a proven, recognisable case design. It works best on a smaller or medium wrist, where the mini proportions read as intentional rather than undersized. It is a strong choice for a buyer who values a clean dial, a distinctive silhouette and the low-maintenance nature of a quartz movement over the ritual of winding a mechanical piece.
Rarity and resale considerations
The Tank Américaine is one of Cartier's more widely produced case shapes, so the WGTA0405 is not a rare reference in the way a limited-edition piece would be. What narrows the field is the specific combination here: full yellow gold across case, bezel and bracelet, at the mini size, in brand-new condition with a complete set. Steel and two-tone Tank Américaine references trade more frequently on the secondary market than the full-gold mini configuration, so buyers who later decide to sell should expect a smaller pool of directly comparable examples than they would find for, say, a steel Santos. That does not make the watch harder to sell; recognisable Cartier Tank references generally find buyers, but it does mean documentation and original condition carry more weight in a private sale than on a higher-volume reference. Buyers who want maximum liquidity should keep the box, papers and any spare links together with the watch from day one.
Cartier Tank Américaine price context in 2026
Cartier does not publish a single current retail figure that applies uniformly across Tank Américaine sizes and metals, and gold-watch pricing moves with the price of gold as well as with case size, so any number here is a dated observation rather than a fixed quote. Within that caveat, full yellow-gold Tank Américaine pieces at the mini size have generally sat in the low-to-mid five figures at retail in recent years. Bizak's sourced catalogue listed the WGTA0405 at US$24,099 on September 28, 2026, sourced to order; buyers should reconfirm both price and condition directly with us at the time of enquiry rather than relying on an older figure. For broader context on how Cartier gold watches are positioned within the secondary watch market, see Sotheby's watches department, which regularly includes Cartier Tank references in its sale catalogues.
Quick answers
What is the price of the Cartier Tank Américaine Mini WGTA0405?
Bizak's sourced catalogue listed the WGTA0405 at US$24,099 on September 28, 2026, sourced to order. This example is brand new with a full set of box and papers; gold pricing moves over time, so confirm the current figure directly with us.
How large is the Tank Américaine Mini and how does it wear?
The case measures 27.9mm by 15.2mm, making it a small, slim watch suited to a narrow or medium wrist. The curved case follows the wrist's contour and reads as a dress piece rather than a sport watch.
What movement does the WGTA0405 use?
The watch uses a quartz movement, which requires no manual winding and no automatic rotor. For a dress watch worn on occasion, that means reliable timekeeping with minimal maintenance.
How does the Tank Américaine compare with the Tank Louis Cartier?
The Américaine has a curved case that follows the wrist and, in gold references like this one, an integrated bracelet; the Louis Cartier is flatter and more traditionally rectangular, typically worn on a strap. The choice largely comes down to case shape preference.
Does Bizak & Co. hold the WGTA0405 as inventory?
No. Bizak sources the WGTA0405 to order rather than holding pieces on a shelf. We confirm the specific watch, current photographs, condition and final price before any purchase is made.
Request a Tank Américaine WGTA0405 sourcing quote
Tell us your preferred delivery timeline and any documentation requirements through our sourcing enquiry form. We confirm the specific watch, photographs and final price before you commit. Catalogue entry: Cartier Tank Américaine Mini WGTA0405; browse the wider Tank collection or the full Cartier catalogue, or sell or trade a Cartier piece you already own.
Related reading: Cartier Santos de Cartier WJSA0007 review · Panthère de Cartier cuff WGPN0018 review · watch-nicknames glossary · our authentication process.
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