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The Rolex 3135-307 Barrel Arbor is an authentic, brand-new original equipment manufacturer (OEM) part, precision-engineered for the iconic Calibre 3135 automatic movement. As the central axle of the mainspring barrel, it is the critical interface that winds the mainspring to store energy, efficiently delivering it through the gear train. This high-quality replacement component is the definitive solution for watchmakers to restore optimal power reserve and reliable performance to Calibre 3135 movements during a professional overhaul.
Genuine OEM Component: An authentic Rolex factory part, manufactured to the original exacting tolerances for a perfect, drop-in fit.
Power Source Anchor: As the barrel’s arbor (central axle), it securely holds the inner end of the mainspring, which winds around it.
Precision Gear Train Link: When fully wound, it works with the gear train to release the mainspring’s stored energy consistently for a full 48-hour power reserve.
High-Grade Durability: Manufactured from proprietary high-strength steel, this component is built to withstand the constant stress of winding cycles.
Factory Performance Restored: Installing this OEM arbor ensures the movement‘s winding and power delivery operate to Rolex’s original, certified chronometer specifications.
| Parameter | Value |
|---|---|
| Part Number | Rolex 3135-307 |
| Compatible Caliber | Rolex Calibre 3135 (and similar) |
| Function | Mainspring Barrel Arbor |
| Item Type | Genuine OEM Replacement Part |
| Condition | Brand New |
| Product Type | Genuine OEM Part |
Direct replacement for a worn, damaged, or corroded original arbor during a full Calibre 3135 movement service.
Suitable for a wide range of Rolex watches powered by the legendary Calibre 3135, such as Submariner Date, Sea-Dweller, Deepsea, Yacht-Master, and Datejust.
A fundamental part for professional watchmakers and authorized service centers when restoring a movement’s winding system and power reserve to original factory standards.
Q1: Is this a genuine Rolex part?
A: Absolutely. This is a 100% authentic, brand-new genuine Rolex factory part.
Q2: Which specific Rolex calibers is this arbor for?
A: It is specifically designed for the renowned Rolex Calibre 3135 automatic movement.
Q3: How do I know if my watch needs a new barrel arbor?
A: This part is typically identified for replacement by a qualified watchmaker during a movement overhaul due to wear, but symptoms like reduced power reserve (below 48 hours) or difficulty winding can indicate the need for a full barrel service.
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