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This is a genuine Sellita SW200-182 barrel complete, an original Swiss-made component for the Sellita SW200 automatic movement. As a pre-assembled unit containing the mainspring, it ensures reliable power storage and release, providing the movement with its standard 38-hour power reserve.
This brand new replacement part is essential for watchmakers restoring mainspring tension or addressing automatic winding issues during movement service.
Genuine Sellita Part – Swiss factory-original, perfect fit for SW200 movement.
Pre-assembled Barrel – Includes mainspring, barrel, and arbor; eliminates manual winding risks.
Standard 38‑Hour Power Reserve – Delivers factory‑specified power storage.
Direct Replacement – Identical dimensions and interface to original component.
Essential for Service – Efficient solution for tired, broken mainsprings or reduced automatic winding.
| Parameter | Details |
|---|---|
| Part Name | Barrel Complete |
| Part Number | Sellita SW200-182 |
| Compatible Movement | Sellita SW200 automatic (SW200-1, etc.) |
| Function | Stores and releases mainspring energy for 38‑hour power reserve |
| Included | Barrel drum, mainspring, barrel arbor |
| Origin | Switzerland |
| Condition | Brand new, genuine |
Sellita SW200 automatic movement (common in Tissot, Mido, Hamilton, Certina, etc.)
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 Sellita part?
Yes. It is a Swiss Sellita factory-original part, number SW200-182, not a copy.
2. Is it interchangeable with the ETA 2824‑2 barrel?
The SW200 and ETA 2824‑2 have different barrel dimensions; not fully interchangeable. Use dedicated Sellita parts for best fit.
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 Sellita technical guide.
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