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This is a genuine Swiss-made Cartier Caliber 1847 MC balance wheel assembly, consisting of the balance wheel, balance staff, flat hairspring, and compensating screws. The Caliber 1847 MC was introduced in 2015 with the launch of the Clé de Cartier collection, with the movement‘s name commemorating the year Cartier was founded. Measuring just 3.8mm in thickness and beating at 28,800 vph (4 Hz), the movement is supported by 23 jewels and delivers a practical 40-42 hour power reserve. It has since been widely adopted across Cartier’s core collections, including Santos de Cartier, Tank Must, Ballon Bleu, Pasha, and Clé de Cartier. Key technical features of the 1847 MC include Incabloc shock protection, a traversing balance bridge, and nickel-phosphorus anti-magnetic escapement components, which effectively protect the movement from magnetic field interference in daily use.
Genuine Cartier Part – Swiss factory-original, perfect fit for Caliber 1847 MC.
Complete Balance Assembly – Includes balance wheel, staff, flat hairspring, and compensating screws; factory-poised, requires only fine regulation after installation.
Anti-Magnetic Protection – Nickel-phosphorus escapement parts + Incabloc shock protection, resists daily magnetic interference.
Wide Compatibility – Fits many Cartier models with Caliber 1847 MC: Santos de Cartier, Tank Must, Ballon Bleu, Pasha, Clé de Cartier.
Return of Broken Part Required – Purchase of this part requires returning the damaged original balance assembly (check supplier policy).
| Parameter | Details |
|---|---|
| Compatible Movement | Cartier Caliber 1847 MC (automatic) |
| Part Type | Balance complete (balance wheel, staff, hairspring, screws) |
| Movement Thickness | 3.8 mm |
| Frequency | 28,800 vph (4 Hz) |
| Jewels | 23 |
| Power Reserve | Approx. 40-42 hours |
| Shock Protection | Incabloc |
| Anti-Magnetic Parts | Nickel-phosphorus escape wheel & pallet fork |
| Origin | Switzerland |
| Condition | Brand new (core return required) |
1. Is this a genuine Cartier balance wheel?
Yes. It is a Swiss factory-original balance assembly for Caliber 1847 MC, not a third-party copy.
2. What does “return broken part” mean?
Some suppliers require that you send back the damaged original balance assembly when purchasing this part (core exchange or recycling). Confirm the policy with your seller before ordering.
3. Which Cartier models does this balance fit?
All watches powered by Caliber 1847 MC, including Santos de Cartier, Tank Must, Ballon Bleu, Pasha, and Clé de Cartier.
4. Does it need regulation after installation?
The balance is factory-poised but will require fine rate adjustment (using the compensation screws or regulator) with a timing machine after installation. Professional watchmaker assistance is strongly recommended.
5. When should the balance wheel be replaced?
Common reasons: broken balance staff, tangled or deformed hairspring, distorted balance wheel, or inability to achieve acceptable accuracy after cleaning and lubrication. Severe magnetism that cannot be demagnetized may also warrant inspection.
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