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This is a genuine ETA 2892-1485 reverser (automatic winding reverser), a core component of the bi‑directional winding system in ETA 2892 series automatic movements. Manufactured in Switzerland and brand new, it is used to repair or replace a worn or failed original reverser, restoring the movement‘s automatic winding efficiency.
Genuine ETA Part – Produced by ETA Switzerland, not a copy or generic component.
Made in Switzerland – Crafted with Swiss precision standards.
Compatible Movements – Designed for ETA 2892 series automatic calibers (2892, 2892‑A2, 2893, 2895, etc.).
Brand New – Unused factory‑original stock, no wear or performance loss.
Core Function – The reverser converts the oscillating weight‘s bi‑directional motion into unidirectional winding. Wear on this part is a common cause of reduced automatic winding efficiency.
| Parameter | Details |
|---|---|
| Part Name | Reverser / Reversing wheel |
| Part Number | ETA 2892-1485 |
| Compatible Movements | ETA 2892, 2892-A2, 2893, 2895 series automatic calibers |
| Origin | Switzerland |
| Manufacturer | ETA SA (genuine) |
| Condition | Brand new |
1. Is this a genuine ETA reverser?
Yes. The product clearly states “Genuine ETA” and “Made in Switzerland” – it is an authentic ETA factory part, not a third‑party copy.
2. Which specific calibers is this part compatible with?
It fits all automatic versions based on the ETA 2892 base caliber, including 2892, 2892-A2, 2893 (GMT), 2895 (small seconds), etc. Not compatible with 2824, 7750 or other non‑2892 architectures.
3. Why would I need to replace a reverser?
The reverser is one of the most wear-prone parts in the automatic winding system. If the oscillating weight spins freely but the watch does not maintain power (low winding efficiency), the reverser(s) are often the culprit.
4. What should I pay attention to during installation?
Reversers are tiny and require precision. Use proper tools and follow the ETA technical guide. Clean the wheel train and apply a tiny amount of specific lubricant to the pivots. Professional installation is strongly recommended.
5. Is this sold individually or in pairs?
The ETA 2892 automatic module uses two identical reversers (both part number 2892-1485). This listing is for one piece. Order two if you need a full set.
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