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Genuine Swiss-made Bergeon 30081-EX-7750 screwdriver with adapted blade, brand new in original packing. Specially designed to adjust the eccentric screw of the minute counter for the ETA Valjoux 7750 caliber range. An essential specialist tool for certified watchmakers servicing and regulating 7750 chronograph movements.
| Parameter | Value |
|---|---|
| Brand | Bergeon |
| Model | 30081-EX-7750 |
| Origin | Made in Switzerland |
| Application | Eccentric screw of minute counter |
| Compatibility | ETA Valjoux 7750 caliber range |
| Type | Adapted blade screwdriver |
| Condition | Brand New In Original Packing |
Q1: Is this a genuine Bergeon tool?
A: Yes — this is a genuine Bergeon 30081-EX-7750 screwdriver, made in Switzerland and brand new in original packing. It is not a generic or third-party copy.
Q2: What is it used for?
A: It is specifically designed to adjust the eccentric screw of the minute counter on ETA Valjoux 7750 caliber range chronograph movements.
Q3: Why does it need an adapted blade?
A: The eccentric screw of the minute counter on the 7750 has a unique shape requiring a specially adapted blade — this screwdriver is purpose-made for that adjustment.
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