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Description
ARF Rolex DateJust 31mm m278383rbr-0002
ARF establishes the standard for midsize two-tone DateJust replicas through superior Jubilee bracelet articulation and precise 18k gold plating application.
Powered by Clone 2236 Movement
The Clone 2236 caliber is engineered specifically to accommodate the compact dimensions of the 31mm Oyster case without compromising functionality. It mirrors the operational mechanics of the genuine movement, offering smooth sweeping seconds and an instantaneous date turnover at midnight. The architecture includes a reliable automatic winding module designed to maintain consistent mainspring tension during daily wear.
Rated at approximately 卤10��15 seconds per day. While not as tightly regulated out of the box as larger Dandong 3235 calibers, it provides stable and acceptable daily variance for a midsize mechanical clone.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Centre hour, minute, and seconds hands; instantaneous date with rapid setting
- �� Winding Direction: Bidirectional rotor winding
Technical Specifications
The 31mm monobloc middle case features precise lug integration and alternating brushed and polished finishing, correctly matching the Rolesor aesthetic.
Features a crisp white base with applied Yellow Gold Roman Numerals. Pad printing on the coronet and text is sharp, with correct proportions for the midsize layout.
The fixed bezel is set with synthetic stones that mimic the clarity and light refraction of genuine diamonds, avoiding the uneven spacing seen in lower-tier versions.
Five-piece links with polished gold-plated center links and brushed outer links. The folding Oysterclasp operates with smooth tolerances and minimal lateral play.
Why ARF for This Reference?
Many collectors ask: ��Why not GMF or WF?��
ARF��s Jubilee bracelet articulation and clasp finishing are historically superior in the midsize category, offering a tactile experience much closer to genuine 904L steel. Competing factories often struggle with stiffness in the smaller 31mm Jubilee links, resulting in a bracelet that does not drape naturally on the wrist.
Full Disclosure: The 18k yellow gold plating tone can exhibit slightly warmer hues under direct sunlight compared to solid genuine gold, and the rotor on the 2236 clone may be marginally more audible during rapid wrist movement.
Data Sheet
| MODEL REFERENCE | DateJust m278383rbr-0002 |
| FACTORY / VERSION | ARF Edition |
| MOVEMENT | Clone 2236 Caliber |
| CASE MATERIAL | 904L Oystersteel & 18k Gold Plating |
| WEIGHT & THICKNESS | [unconfirmed] g | [unconfirmed] mm |
| CRYSTAL & LUME | Sapphire with Cyclops | No Lume (Roman Dial) |
| DIMENSIONS | 31.0mm � [unconfirmed] � [unconfirmed]Manual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 50 Meters �� professional pressure test recommended before swimming |
Collector Q&A
Q: How does the 18k yellow gold plating on this ARF 278383RBR hold up to daily wear?
A: The factory utilizes a robust PVD gold plating process over 904L Oystersteel. While durable for standard daily use, it should be kept away from harsh chemicals or abrasive surfaces to prevent exposing the steel base over extended periods.
Q: Is the diamond bezel on this 31mm model made of real diamonds?
A: No, the ARF edition uses high-quality synthetic crystals cut and set to mimic the light refraction of genuine Rolex factory diamonds. The setting depth and spacing are highly accurate to the genuine reference.
Q: Does the Clone 2236 movement accept genuine Rolex parts?
A: While the Clone 2236 mimics the dimensions and basic architecture to fit the 31mm case, it is not a true 1:1 super clone like the Dandong 3135/3235 series. Direct swapping of genuine internal movement parts is generally not supported without significant modification.
Q: What is the most noticeable flaw on this specific ARF midsize DateJust?
A: The most common critique among collectors is the rotor noise on the Clone 2236 movement, which is slightly more audible than the genuine caliber. Additionally, the yellow gold tone may appear marginally warmer under certain lighting conditions compared to solid 18k gold.