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This is a genuine Cartier Caliber 1847 barrel complete, an original Swiss‑made component for Cartier‘s in‑house automatic movement. The barrel complete is a pre‑assembled unit containing the mainspring, arbor, and barrel drum, serving as the power source for the movement. Used across numerous Cartier collections including Santos, Ballon Bleu, Tank, and Pasha, this brand new original part is essential for watchmakers restoring proper power reserve and timekeeping accuracy when the original mainspring becomes worn or fatigued.
Genuine Cartier Part – Swiss factory‑original for Caliber 1847, not a copy.
Pre‑assembled Barrel – Includes mainspring, arbor, and drum; eliminates manual winding risks.
Standard Power Reserve – Provides the Caliber 1847 with its factory power reserve (approx. 42 hours).
Direct Replacement – Identical dimensions and interface to the original component.
Essential for Service – Efficient solution for tired, broken mainsprings or reduced automatic winding performance.
| Parameter | Details |
|---|---|
| Part Name | Barrel Complete |
| Compatible Movement | Cartier Caliber 1847 automatic (found in Santos, Ballon Bleu, Tank, Pasha collections) |
| Type | Genuine original |
| Included | Barrel drum, mainspring, arbor |
| Function | Stores and releases mainspring energy for movement power |
| Origin | Switzerland |
| Condition | Brand new, genuine |
Cartier Caliber 1847 automatic movement (Santos, Ballon Bleu, Tank, Pasha collections).
Replacement of tired, broken, or low‑torque mainsprings during movement service.
Fixes insufficient power reserve or low amplitude caused by mainspring issues.
Quick replacement of the barrel assembly without separate mainspring winding.
1. Is this a genuine Cartier barrel?
Yes. It is a Swiss factory‑original part for Caliber 1847, not a copy.
2. What is the power reserve of Caliber 1847 with this barrel?
With this original barrel complete, the Caliber 1847 provides approximately 42 hours of power reserve.
3. What should I pay attention to during installation?
Clean the barrel arbor hole in the mainplate, apply a small amount of barrel grease. Seat the barrel correctly, ensuring it engages the train. Professional installation is recommended.
4. When should I replace the entire barrel instead of just the mainspring?
If the barrel drum is worn, the arbor hole is oval, or the mainspring is severely deformed, replace the complete barrel assembly. It is also more convenient than hand‑winding a new spring.
5. Does the new barrel require lubrication?
Yes. The mainspring is pre‑greased inside, but the arbor pivots and barrel teeth need light oiling. Follow the Cartier technical guide.
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