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The ETA 2824/2834/2836-1482 ratchet wheel driving wheel is a genuine Swiss-made component for the ETA 2824-2 automatic movement. It is part of the automatic winding system, transferring power from the oscillating weight to the mainspring barrel. This brand new original part is essential for watchmakers restoring proper automatic winding function when the original wheel becomes worn or damaged.
Genuine ETA Part – Swiss factory-original, perfect fit for 2824-2 movements.
Key Automatic Winding Component – Transfers power from the rotor to the mainspring barrel.
Precision Machined – Accurate gear teeth for smooth power transfer and low wear.
Essential for Service – A common failure point when automatic winding efficiency drops or fails.
Fits Multiple Calibers – Compatible with ETA 2824, 2834, 2836 series.
| Parameter | Details |
|---|---|
| Part Name | Ratchet Wheel Driving Wheel |
| Part Number | ETA 2824/2834/2836-1482 |
| Compatible Movements | ETA 2824-2, 2834-2, 2836-2 automatic calibers |
| Function | Automatic winding system power transmission |
| Origin | Switzerland |
| Condition | Brand new, genuine |
ETA 2824-2 (e.g., Tissot Le Locle, Mido Belluna)
ETA 2834-2 (e.g., some day-date watches)
ETA 2836-2 (common in day-date models)
Repair of reduced automatic winding efficiency or rotor spinning without winding action
1. Is this a genuine ETA part?
Yes. It is a Swiss ETA factory-original part, number 1482, for 2824/2834/2836 calibers.
2. What are the symptoms of a damaged ratchet driving wheel?
Symptoms: rotor spins normally but automatic winding is very poor (low power reserve after wearing); manual winding works but automatic does not; unusual noise or grinding during automatic winding.
3. What should I pay attention to during installation?
This wheel sits in the automatic module, often working with reversing wheels. Clean the train and inspect the reversers. Use recommended lubrication (special grease). Professional installation is strongly recommended.
4. Does this part fit the Sellita SW200?
SW200 is an alternative to 2824. Some automatic parts are interchangeable, but using dedicated SW200 parts is recommended for best fit. This genuine ETA part may not guarantee perfect operation in SW200.
5. When should it be replaced?
Inspect for worn, deformed, or broken teeth during service. If automatic winding fails after ruling out reversers and rotor bearings, replace this wheel.
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