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This is a generic screw for the column wheel designed for the Rolex Caliber 4130 automatic chronograph movement, corresponding to part number 4130-5855. This screw secures the column wheel to the movement‘s mainplate, serving as a critical fastener for the precise operation of the chronograph’s start, stop, and reset functions. When the original screw becomes worn, stripped, or lost, this aftermarket replacement is the ideal choice for restoring the movement‘s chronograph functionality.
Generic Replacement – Designed for the column wheel of Rolex Caliber 4130; non‑original but thread and head dimensions match OEM specs.
Column Wheel Securing Core – Locks the column wheel to the mainplate, ensuring precise and reliable chronograph operation.
Precision Machined – Made of quality steel with accurately cut threads for secure, vibration‑resistant fastening.
Essential for Service – Replaces stripped, damaged, or lost column wheel screws to restore movement integrity.
Cost‑Effective – More affordable than genuine screws, ideal for routine service.
| Parameter | Details |
|---|---|
| Part Name | Screw for Column Wheel |
| OEM Reference | Rolex 4130-5855 |
| Compatible Movement | Rolex Caliber 4130 automatic chronograph (Daytona 116500, 116520, etc.) |
| Material | High‑quality hardened steel |
| Type | Generic aftermarket |
| Function | Secures the column wheel to the mainplate |
Rolex Caliber 4130 automatic chronograph movement (e.g., Daytona 116500LN, 116520).
Replacement of stripped, damaged, or lost column wheel screws during movement service.
Repair of column wheel misalignment or chronograph malfunctions caused by a loose screw.
1. Is this a genuine Rolex column wheel screw?
No. It is a generic aftermarket replacement, not original, but matches the thread and head dimensions of the 4130-5855 original screw.
2. What are the symptoms of a damaged column wheel screw?
Typical symptoms: a loose column wheel causing chronograph start/stop/reset malfunctions (e.g., buttons unresponsive, chronograph seconds hand jumps irregularly, reset position off).
3. What should I pay attention to during installation?
Use a properly fitting precision screwdriver. Avoid over‑tightening. Start the screw by hand, then gently tighten. Do not force. Professional installation is recommended.
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