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Cartier introduced the Santos-Dumont Micro-Rotor in 2023 as a skeletonized automatic take on the Santos-Dumont, powered by the manufacture calibre 9629 MC. Its defining feature is a platinum micro-rotor decorated with a miniature aircraft motif, visible through a large circular opening in the movement. The launch collection comprised three references: pink gold WHSA0030, limited yellow gold with blue lacquer WHSA0031, and stainless steel WHSA0032.
What Cartier introduced in 2023
The Santos-Dumont Micro-Rotor retains the Santos-Dumont’s rounded-square case, eight bezel screws and sapphire cabochon crown, but pairs those familiar design cues with a newly developed, skeletonized automatic movement. Monochrome Watches’ March 2023 launch report traces the original Santos to Louis Cartier’s 1904 design for Brazilian aviator Alberto Santos-Dumont. The 2023 watch draws on that aviation connection in its movement as well as its name.
The calibre 9629 MC is reported to contain 212 components, run at 28,800 vibrations per hour and provide a 46-hour power reserve. These are published specifications, not independent performance-test results. The display is limited to hours and minutes.
How the openworked dial and rotor work
A large circular aperture in the openworked movement reveals the platinum micro-rotor, which winds the automatic movement as the watch is worn. Cartier decorates the rotor with a miniature representation of Santos-Dumont’s Demoiselle aircraft. The report also describes an openworked barrel and an exposed balance wheel, making the movement’s components part of the visible design.
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The square-shaped bridge arms function as hour markers, while blued-steel sword-shaped hands indicate the time. Lacquer accents lend each reference its own color: blue on the yellow-gold edition, red on the pink-gold model and grey on the steel version.
How the three references differ
| Reference | Case | Dial accents and strap | Launch-era price |
|---|---|---|---|
| WHSA0030 | 18k pink gold | Red lacquer highlights; burgundy leather strap | EUR 36,400, as reported at launch in 2023 |
| WHSA0031 | 18k yellow gold; limited edition | Blue lacquer; dark blue alligator strap | EUR 37,500, as reported at launch in 2023 |
| WHSA0032 | Stainless steel | Grey lacquer highlights; grey alligator strap | EUR 27,900, as reported at launch in 2023 |
The launch report describes interchangeable alligator-leather straps and ardillon buckles. It does not give a strap width or establish compatibility with third-party straps.
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- Luxurious Genuine Leather：Crafted from top - grade genuine leather, this strap exudes luxury. The natural texture offers a rich and sophisticated look.
- Soft & Comfortable：The leather is soft to the touch, conforming to the wrist for a comfortable fit. It provides a pleasant wearing experience throughout the day.
- Classic Design：With a timeless design, it complements various watch styles. Whether a classic or modern watch, it adds an elegant touch.
- resistant with Aging：Genuine leather becomes more resistant and develops a unique patina over time. It can withstand daily use and maintain its quality.
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Shared case and movement specifications
| Specification | Reported detail |
|---|---|
| Case dimensions | 43.5 mm long × 31.4 mm wide × 8 mm thick |
| Crystals | Sapphire on the front and back |
| Water resistance | 30 m |
| Movement | Cartier manufacture calibre 9629 MC; skeletonized automatic with platinum micro-rotor |
| Components | 212, as reported by Monochrome Watches in 2023 |
| Frequency | 28,800 vibrations per hour, as reported by Monochrome Watches in 2023 |
| Power reserve | 46 hours, as reported by Monochrome Watches in 2023 |
| Functions | Hours and minutes |
Launch pricing and availability context
Monochrome Watches reported the three euro prices above and availability from September 2023. They are historical launch figures, not current retail or resale prices. The launch report does not establish today’s production status, stock, geographic availability, applicable taxes or current authorized retail channels. In particular, the limited-edition description for WHSA0031 does not reveal how many examples remain available now.
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- COMPATIBILITY: Designed specifically for Santos-Dumont watches with a quick release mechanism for easy strap swapping.
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- PREMIUM LEATHER: Crafted from genuine calfskin leather featuring an elegant palm grain texture for a refined, luxurious look.
- QUICK RELEASE DESIGN: Tool-free spring bar system allows you to swap straps in seconds without any special equipment.
- DESIGNED FOR WOMEN: Tailored replacement band offering a comfortable, stylish fit ideal for women wearing the Cartier Santos-Dumont.
Rank #3
- The stainless steel lugs form a robust metal-to-metal connection with the watch case lugs, fundamentally eliminating the common front-to-back and side-to-side wobble often found in pure rubber or fabric straps. When worn, the watch case and strap feel as one seamless unit, responding instantly and delivering unparalleled stability and confidence, especially during physical activity.
- Doubled Corrosion Resistance, Defies Harsh Environments Both stainless steel and fluororubber boast top-tier corrosion resistance. This combination withstands dual assault from daily corrosive agents like sweat, seawater, pool chlorine, and sunscreen. The metal parts resist rust, and the rubber resists degradation and deformation, significantly enhancing environmental adaptability for diving, sailing, and daily heavy use.
- Shape Retention, Eliminates Stretch Deformation The stainless steel core provides a non-stretchable rigid frame, fundamentally locking the fixed distance between the two ends of the strap. Even if the outer fluororubber layer experiences minor physical relaxation over prolonged use, the overall length and hole alignment are guaranteed constant by the metal structure, effectively preventing the strap from becoming longer and the buckle hole from becoming loose over time.
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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.
