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This is a genuine Cartier sliding pinion for Caliber 1847, a Swiss‑made original component for Cartier‘s in‑house 1847 MC automatic movement. The sliding pinion is mounted on the winding stem and works with the clutch wheel and winding pinion to switch between winding and time‑setting modes. This original factory part is a key replacement for watchmakers to restore crisp keyless feel and smooth operation during service or repair.
Genuine Cartier Part – Swiss factory‑original for Caliber 1847 MC, not a copy.
Keyless Works Core – Slides along the winding stem to switch between winding and setting modes.
Precision Machined – Accurate gear teeth and sliding surfaces for smooth mode switching and reliable engagement.
Essential for Service – Replace when keyless positions are vague, cannot switch, or operation feels sticky.
Compatible Movement – Designed for Cartier Caliber 1847 MC automatic.
| Parameter | Details |
|---|---|
| Part Name | Sliding Pinion |
| Compatible Movement | Cartier Caliber 1847 MC automatic (found in Santos, Ballon Bleu, Tank collections with in‑house calibers) |
| Type | Genuine original |
| Function | Switches between winding and time‑setting modes |
| Origin | Switzerland |
| Condition | Brand new, genuine |
Cartier Caliber 1847 MC automatic movement (found in Santos, Ballon Bleu, Tank collections with in‑house calibers).
Repair of vague keyless positions, inability to switch modes, or sticky operation.
Replacement of worn, deformed, or rough‑sliding sliding pinions during movement service.
1. Is this a genuine Cartier sliding pinion?
Yes. It is a Swiss factory‑original part for Caliber 1847 MC, not a copy.
2. What are the symptoms of a damaged sliding pinion?
Symptoms: vague crown positions; cannot stay in setting mode; crown cannot be pulled out or pushed back; winding works but setting does not, or vice versa.
3. What should I pay attention to during installation?
The sliding pinion sits on the stem. Clean the keyless works before assembly. Test smooth mode switching after installation. Professional help is recommended.
4. Does the clutch wheel need to be replaced at the same time?
Not always. If the clutch wheel teeth are also visibly worn (rounded), replace both. Inspect both components.
5. Does this part fit other Cartier calibers like 1904 MC?
No. The 1847 keyless works are different from 1904 – not interchangeable.
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