Audemars Piguet 3120/3126 Movement Winding Pinion

Product Description

AP 3120/3126 Winding Pinion​ — keyless-works part that transfers crown torque into the winding train.

Specifications

• Part Ref.: 50​
• Fitment: Cal. 3120, 3126​
• Location: on winding stem, with clutch wheel
• Function: manual winding transmission
• Origin: Swiss-made genuine AP

FAQ

1.Genuine or aftermarket?​

This is an OEM-specification replacement part, dimensions and function exactly match the original.

2.Quality difference?​

Genuine: accurate teeth, smooth sliding, solid winding feel.

Worn/copy: rounded teeth, slip, vague stem positions.

3.Fits 3126?​

Yes. 3126 shares the 3120 automatic base; keyless works are common.

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