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1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errorsThe Cartier Clé de Cartier is a dress-oriented watch family introduced in 2015, distinguished by a curved case, rounded bezel, tapered horns, and an unusually shaped key-like crown. Its standard automatic models use Cartier’s 1847 MC caliber; the open-worked 41 mm Automatic Skeleton uses the separate 9612 MC. The design is its strongest reason to choose one, but 3 bar water resistance on the cited references makes it a poor choice for swimming or sport.
What makes the Clé de Cartier distinctive?
Cartier introduced the collection at SIHH in 2015. Its defining features are a curved case profile, gently rounded bezel, tapered horns, and a jewel-like crown. Turning the crown to set the watch is meant to evoke winding a clock with a key. The crown is set with a blue sapphire on some versions; the cited steel reference uses synthetic blue spinel.
The curved profile and rounded bezel give the Clé a softer, more sculptural appearance than a conventional flat-sided dress watch. The design remains recognizable across different case sizes and metals, although gem-set bezels and skeleton dials make individual versions look substantially different.
Which movement is inside?
1847 MC automatic
The principal 35 mm and 40 mm automatic models described at launch use Cartier’s 1847 MC, with a published 42-hour power reserve. It winds in both directions. Cartier’s launch account described a specially developed barrel and lever system intended to support winding efficiency and chronometric stability. Independent hands-on coverage characterized it as Cartier’s newer general-purpose in-house caliber; that positioning is not evidence of a particular accuracy advantage.
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9612 MC Automatic Skeleton
The 41 mm Automatic Skeleton is a different proposition, with caliber 9612 MC and a published 48-hour reserve at 28,800 vibrations per hour. Its bridges are shaped around Roman-numeral positions, while a largely hidden 22-carat-gold rotor keeps the movement visible. The open architecture prioritizes movement display over the uncluttered dial and instant legibility of a conventional model.
Sizes, materials, and documented configurations
The collection spans 31, 35, 40, and 41 mm, but those dimensions do not mean every size uses the same movement or construction. Check the exact reference rather than inferring specifications from diameter alone.
Rank #2
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| Size or model | Documented details |
|---|---|
| 31 mm automatic configurations | Cartier’s catalogue lists gold on leather strap, brilliant-set, metal-bracelet, and steel on leather-strap configurations. The 2015 launch report identifies 31 mm as a women’s size; movement details depend on the reference. |
| 35 mm automatic | The Cartier China W4CL0006 page documents a steel case, diamond-set bezel with 67 brilliant-cut diamonds totaling 0.55 carat, silvered sunray-style dial, blue sword hands, pink alligator strap, steel folding clasp, 10 mm thickness, and 3 bar water resistance. The page displays ¥81,500; this regional price and availability can change. |
| 40 mm automatic | Launch descriptions list pink-gold and white-gold versions, with alligator strap or bracelet options. The cited launch coverage gives historical prices of €14,000 for pink gold and €15,000 for white gold in 2015; these are not current prices. |
| 41 mm Automatic Skeleton | The 2016 technical preview describes a palladium case, 11.45 mm thickness, caliber 9612 MC, 48-hour reserve, and 3 bar water resistance. |
The China-page price is specific to that regional listing, currency, and time; it should not be treated as a current global MSRP. Current production status and authenticated secondary-market values are not established by the cited material.
Is the Clé de Cartier a good everyday watch?
It can work as an everyday dress watch if the owner wants a distinctive, relatively refined case and is comfortable treating it carefully. The cited 35 mm steel and 41 mm skeleton references are rated at 3 bar, approximately 30 metres. That is splash and routine moisture protection, not a swimming or diving rating. Water resistance is reference-specific, and the watch’s age and service condition can also matter in practice.
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Rank #3
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- Choose it for: a curved, distinctive case; a refined watch for office, formal, or ordinary daily wear; and, in the skeleton version, a prominent mechanical display.
- Think twice if: you need a sports watch, routinely swim with your watch, prefer a highly legible simple dial, or want a model whose current pricing and availability are straightforward to verify.
- Compare fit directly: 35 mm and 40 mm are useful starting points, but wrist circumference, case curvature, strap or bracelet, and the desired visual presence matter more than gender labels.
How should it compare with a Tank or Ballon Bleu?
The supplied specifications do not support a complete model-by-model comparison with the Tank or Ballon Bleu. As a buying framework, compare the actual watches you are considering on case shape and wrist fit, movement and dial display, materials and gem setting, strap or bracelet, water-resistance rating, and service history. The Clé’s most specific distinction is its curved profile and key-like crown; choose between Cartier families by trying on the exact size and configuration rather than assuming their dimensions or use cases are interchangeable.
Quick Recap
Best Value
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What to check before buying a pre-owned Clé
- Identify the reference. Match the case/reference number to the claimed size, metal, setting, movement, and configuration. Do not assume all 31 mm models share one caliber.
- Inspect case and clasp condition. Look for dents, excessive polishing, damage around the crown, and wear or deformation at the clasp and bracelet links.
- Test the crown carefully. Check that winding and setting feel consistent and that the crown seats properly. A key-shaped crown should not be forced if it feels rough or catches.
- Check dial and hands. Confirm they appear appropriate to the reference and ask whether any parts have been replaced. Originality can affect both value and collector appeal.
- Ask for service documentation. Request dated records and clarify what work was done. A seller’s statement that a watch was serviced is less useful than documentation identifying the work.
- Review provenance and authentication. Examine box and papers where available, but do not treat accessories alone as proof of authenticity. Use a qualified watch professional or trusted authentication route if anything is uncertain.
- Verify the price and seller. Confirm current availability, seller status, and comparable authenticated examples before committing; historic launch pricing and a regional catalogue listing do not establish today’s market value.
Sources and dated specifications
- Time and Watches’ 2015 launch coverage describes the collection’s design, 1847 MC, launch sizes, reserve, and historical gold prices.
- Hodinkee’s hands-on report discusses the crown and the Clé as a launch platform for caliber 1847.
- Cartier China’s W4CL0006 listing supplies the cited 35 mm steel reference details and region-specific displayed price.
- Time and Watches’ Automatic Skeleton technical preview provides the cited 41 mm model’s movement, case, reserve, frequency, and water-resistance specifications.
- Richemont’s 2015 annual report lists Clé de Cartier among Cartier’s strategic watchmaking launches; that historical mention does not establish whether the family remains in production.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.




