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Generic pinion for oscillating weight (part number 2235‑550) designed for Rolex Calibre 2235 automatic movement. This steel pinion transfers rotor motion to the automatic winding module for efficient self‑winding. Aftermarket replacement for worn or damaged original pinions.
Precision fit for Rolex 2235 auto module – matches original dimensions.
High‑grade steel construction – durable, wear‑resistant.
Restores automatic winding efficiency – ensures reliable power transfer.
Drop‑in replacement – no modification required.
Affordable alternative to genuine OEM part.
| Parameter | Value |
|---|---|
| Compatible caliber | Rolex 2235 (also 2230, 2236 families) |
| OEM part number | 2235‑550 |
| Component type | Pinion for oscillating weight (rotor pinion) |
| Material | High‑grade steel |
| Type | Aftermarket |
Replace worn or damaged oscillating weight pinion during service of Rolex Calibre 2235.
Suitable for Lady‑Datejust, Yacht‑Master 29/35, Datejust 31 models.
Professional watch repair and restoration.
Q1: Genuine Rolex part?
No, generic aftermarket replacement.
Q2: Which calibers does it fit?
Rolex 2235, 2230, 2236 families.
Q3: What are signs of a worn pinion?
Reduced automatic winding, rotor free‑spinning, or unusual noise.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
3,000+ watch movements and parts in stock.
Trusted by watchmakers worldwide.
Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.
