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Description
ARF Factory Rolex DateJust 31 Ref. m278271-0020
ARF��s execution of the 31mm DateJust remains the definitive choice for two-tone replicas, primarily due to their superior 904L bracelet tolerances and accurate Everose plating application.
Powered by Clone Caliber 2236
The mechanical core of this replica is the dedicated Clone Caliber 2236. Engineered specifically for mid-size cases, this movement departs from generic off-the-shelf calibers by offering the correct hand stack (hour, minute, seconds) and a direct-drive sweep. The architecture includes reliable shock absorption and an instantaneous date change mechanism that snaps precisely at midnight. Regulation is achieved via a standard micro-stella style adjustment, allowing for fine-tuning by a competent watchsmith.
The ARF Clone 2236 typically ships with a factory regulation of 卤10��15 seconds per day. While not matching the stringent 卤2s of genuine Rolex Superlative Chronometers, it provides highly stable daily performance for a mechanical clone.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Center hour, minute, and seconds hands; instantaneous date with rapid setting.
- �� Winding Direction: Bidirectional automatic winding via central rotor.
Technical Specifications
The case measures a highly accurate 31mm in diameter with a thickness of ~10.6mm. The alternating brushed lugs and highly polished case sides accurately reflect genuine finishing protocols.
The aubergine/dark purple dial exhibits a subtle sunburst effect, complemented by applied Roman numerals. Text printing is crisp, with proper depth on the coronet application.
The fluted bezel features sharp, well-defined ridges that catch light dynamically. The Everose plating tone is closely matched to the genuine 18k pink gold alloy.
Constructed with solid end links and a highly articulated 5-piece link design. The concealed folding Crownclasp operates with reassuring tension and minimal lateral play.
Why ARF Factory for This Reference?
Many collectors ask: ��Why not GMF or WF?��
While GMF produces a respectable 31mm DateJust, ARF��s mastery of the 904L Jubilee bracelet remains unparalleled in this size category. The articulation of the center links and the precision of the concealed Crownclasp on the ARF version exhibit significantly tighter tolerances, preventing the ��rattle�� often associated with lower-tier two-tone replicas.
Full Disclosure: Under harsh 5000K direct daylight, the Everose gold plating can occasionally exhibit a slightly more copper-heavy undertone compared to the solid 18k Everose alloy of the genuine model.
Data Sheet
| MODEL REFERENCE | m278271-0020 |
| FACTORY / VERSION | ARF Factory Edition |
| MOVEMENT | Clone Caliber 2236 |
| CASE MATERIAL | 904L Oystersteel & Everose Gold Plating |
| WEIGHT & THICKNESS | ~95g | ~10.6mm |
| CRYSTAL & LUME | Scratch-resistant Sapphire with AR-Coated Cyclops | Chromalight |
| DIMENSIONS | 31.0mm � ~37.0mm � ~10.6mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 30m Stated �� professional pressure test recommended before swimming |
Collector Q&A
Q: How does the Everose gold plating on this ARF DateJust 31 hold up to daily wear?
A: The factory plating is robust for standard office wear, but as with all plated replicas, it is susceptible to scratching and fading over extended periods. Avoid abrasive surfaces and chemical cleaners to prolong the finish.
Q: Does the Clone Caliber 2236 have the correct hand stack?
A: Yes, the ARF Caliber 2236 features the correct hand stack (hour, minute, seconds) mirroring the genuine Rolex 2236 movement architecture, unlike standard ETA clones.
Q: Is the concealed Crownclasp functional and secure?
A: The ARF Jubilee bracelet features a highly accurate concealed folding Crownclasp. The hinge mechanism is secure, though the initial opening action via the Rolex coronet may feel slightly stiffer than the genuine article until broken in.
Q: How accurate is the dark purple dial color compared to genuine?
A: The aubergine/dark purple tone is highly accurate in low to medium light, though it may lack the extreme sunburst depth of the genuine solid gold-based Rolex dial under direct, harsh sunlight.
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