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The Rolex Calibre 2235-568 Axle (Ref. No. 2235-568, also designated as B2230-568-Y1) is a precision-engineered component serving as the oscillating weight axle (rotor axle) for the Rolex Calibre 2235 automatic movement and its variants. Manufactured from stainless steel, this critical axle provides the pivot support for the oscillating weight, enabling smooth bidirectional rotation of the automatic winding mechanism that efficiently transmits energy from the rotor to the mainspring. As a drop-in replacement part, it is essential for professional watchmakers restoring worn or damaged original components, particularly when symptoms such as inefficient winding, grinding noises, or red abrasive dust appear inside the movement.
Precision pivot support – Serves as the central axle for the oscillating weight (rotor), allowing smooth 360-degree rotation of the automatic winding mechanism
Stainless steel construction – Manufactured from durable stainless steel for excellent mechanical strength and long-term wear resistance
Wide caliber compatibility – Designed for Calibre 2235 (women‘s automatic movement) and cross‑compatible with Calibre 2230, as well as Calibre 2135, 3135, and 3035
Automatic winding efficiency – Enables consistent energy transfer from the oscillating weight to the mainspring, maintaining the movement’s 48‑hour power reserve
Drop‑in replacement fit – Engineered as an exact-match substitution for worn, damaged, or missing original axles without modification
| Parameter | Value |
|---|---|
| Part Number / Ref. | 2235-568 / B2230-568-Y1 |
| Manufacturer / Brand | Rolex (OEM), also available as aftermarket |
| Component Type | Oscillating Weight Axle (Rotor Axle) |
| Material | Stainless Steel |
| Compatible Calibers | Rolex Calibre 2235, 2230, 2135, 3135, 3035, 1570 |
| Compatible Models | Lady-Datejust (Ref. 179160, 179174, 179384), Lady Yacht-Master, women‘s Datejust |
| Function | Pivot support for oscillating weight / automatic winding rotor |
| Movement Diameter | 20.00 mm (Calibre 2235) |
| Jewels | 31 |
| Power Reserve | Approx. 48 hours |
| Frequency | 28,800 vph (4 Hz) |
| Unit Quantity | 1 piece per order |
Replacement of worn or damaged oscillating weight axles during professional servicing of Rolex Calibre 2235 watches, including Lady-Datejust and Lady Yacht-Master models
Restoration of automatic winding systems where the rotor axle has failed, indicated by grinding noises, loose rotor feel, or red abrasive dust from metal wear
Watch repair workshops and authorized service centers performing full movement overhauls that require replacement of worn automatic module components
Professional restoration projects seeking exact-match OEM or aftermarket replacement parts for Calibre 2235 and 2230 movements
Q1: Is this axle an authentic genuine Rolex part or a generic aftermarket product?
This depends on the specific listing. Genuine OEM versions (Part No. 2235-568 or B2230-568-Y1) are available from authorized sources and trusted sellers like Chrono24, sold as new in sealed packaging and guaranteed to be 100% authentic. However, many suppliers also offer generic aftermarket versions of this axle at lower price points. When purchasing, carefully verify the listing description — aftermarket products are typically labeled as “generic,” “replacement,” or “not genuine.” Both options can be suitable for repair purposes, but watchmakers should choose based on restoration standards and budget.
Q2: Which Rolex watch models and calibers is this part compatible with?
The 2235-568 axle is primarily designed for Calibre 2235, which was introduced in 1999 and used in Rolex‘s women‘s models including the Lady-Datejust (References 179160, 179174, 179384, etc.) and Lady Yacht-Master. This axle is also cross‑compatible with Calibre 2230, as well as Calibre 2135, 3035, 3135, and even the vintage Calibre 1570. When replacing, always verify compatibility with your specific movement reference before purchase.
Q3: What is the quality and reliability of this part?
Original Rolex OEM axles are manufactured to the brand‘s exacting Swiss quality standards, providing exceptional durability and precision fit. Aftermarket versions vary in quality — reputable suppliers offer well‑manufactured alternatives, but lower‑quality products may have tolerance issues or reduced wear life. The oscillating weight axle is a high‑stress component in the automatic winding system. Watchmakers have noted that failure of this axle can lead to red abrasive dust inside the movement — a telltale sign of wear. For lasting results, a high‑quality axle (whether OEM or premium generic) is essential for proper restoration of the automatic module.
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