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Description
ARF Rolex DateJust 31mm Ref. 278278-0046
ARF��s meticulous gold-plating process and proprietary bracelet engineering make this the preeminent mid-size DateJust replica.
Powered by Clone Caliber 2236
The Clone 2236 automatic movement represents a significant technical leap for 31mm replicas, moving away from standard ETA clones to a dedicated architecture. It features a high-beat 4Hz escapement ensuring smooth seconds hand travel and long-term stability. The integration of a rapid-setting instantaneous date mechanism mirrors genuine operation precisely.
卤15 seconds per day (when fully wound).
- �� Power Reserve: Approximately 48 hours
- �� Complications: Center hour, minute, and seconds hands; instantaneous date with rapid setting
- �� Winding Direction: Bidirectional automatic winding
Technical Specifications
The 31mm case utilizes industry-standard 904L steel as a base, providing correct weight distribution before the application of the 18k yellow gold plating.
Exhibiting a deep olive green sunburst effect, the dial features sharp typography and correctly proportioned 18k gold-plated indices.
The fluting angles are machined to reflect light dynamically, matching the genuine profile while maintaining the correct warm gold tone.
Constructed with semi-circular three-piece links, this bracelet offers tight tolerances and features a seamlessly integrated concealed folding clasp.
Why ARF Factory for This Reference?
Many collectors ask: ��Why not GMF?��
While GMF offers a wide variety of mid-size DateJusts, ARF is universally recognized for superior 904L steel base finishing and tighter end-link tolerances. The President bracelet on this ARF edition exhibits significantly less lateral play, providing a tactile experience much closer to genuine.
Full Disclosure: The 18k yellow gold plating, while color-accurate, requires careful maintenance to avoid accelerated wear on high-friction clasp points.
Data Sheet
| MODEL REFERENCE | 278278-0046 |
| FACTORY / VERSION | ARF Factory Edition |
| MOVEMENT | Clone Caliber 2236 Automatic |
| CASE MATERIAL | 904L Oystersteel with 18k Yellow Gold Plating |
| WEIGHT & THICKNESS | [unconfirmed] | [unconfirmed] |
| CRYSTAL & LUME | Scratch-resistant Sapphire with AR Coating | Chromalight |
| DIMENSIONS | 31mm � [unconfirmed] � [unconfirmed]Manual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 30m stated rating �� professional pressure test recommended before swimming |
Collector Q&A
Q: Does the Caliber 2236 in this ARF 31mm DateJust accept genuine Rolex parts?
A: While the architecture heavily mimics the genuine 2236, it is not a 1:1 super clone in terms of complete parts interchangeability like the larger Dandong 3135/3235 movements. It is designed for operational accuracy and reliability rather than franken-build compatibility.
Q: How accurate is the 18k yellow gold plating tone compared to genuine Rolex gold?
A: ARF is known for achieving a very accurate, slightly warm yellow gold hue that avoids the overly brassy or orange tones found in lower-tier replicas. However, side-by-side with solid 18k gold, slight weight and luster differences will be apparent under loupe inspection.
Q: Is the President bracelet on this 31mm model sized with screws or pins?
A: Like the genuine reference, the ARF President bracelet utilizes threaded screws for link removal. We highly recommend using a proper 1.2mm hollow-ground screwdriver and applying a mild thread-locker to prevent backing out during daily wear.
Q: What is the main known quirk of this specific ARF gold-plated edition?
A: The primary limitation is the durability of the gold plating on high-friction areas, specifically the concealed Crownclasp mechanism. Over time and heavy daily use, the plating at the contact points of the folding blades may show signs of wear, exposing the 904L steel base.
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