Rolex Calibre 3135 Intermediate Crown Wheel Core #212 - New Sealed Package

Rolex Cal. 3135 Middle Crown Wheel Core – Part No. 3135-212 – Genuine NOS Blister Package

Genuine Rolex Middle Crown Wheel Core, Part No. 3135-212, for the Rolex Caliber 3135 automatic movement. This is an authentic New Old Stock (NOS) Rolex factory movement part in original blister packaging, never installed or used. :contentReference[oaicite:0]{index=0}

The middle crown wheel core is a key component of the winding mechanism, supporting the intermediate crown wheel assembly and ensuring proper transfer of power during manual winding. Manufactured to Rolex's exact factory specifications, this original Swiss-made component provides precise fit, smooth engagement, and reliable long-term performance.

Ideal for professional watchmakers, collectors, and restoration projects requiring genuine Rolex factory parts to maintain originality and performance.

Specifications:

• Brand: Rolex

• Part: Middle Crown Wheel Core / Intermediate Crown Wheel Core

• Rolex Part Number: 3135-212

• Movement Compatibility: Rolex Caliber 3135 and compatible 31xx family movements

• Condition: Genuine NOS (New Old Stock)

• Packaging: Original blister package

• Swiss Made

• Authentic Rolex factory movement part

• Never installed or used

• Ideal for Rolex repair, restoration, and maintaining originality