1
2
3
4
5
Description
ARF Rolex DateJust 31mm Ref. 278381RBR (Everose & MOP)
The definitive "Best Version" execution of the mid-size classic, featuring genuine Mother of Pearl and the precise Caliber 2236.
Powered by Super Clone Caliber 2236
Unlike previous iterations that used modified ETA movements, this ARF masterpiece utilizes a ground-up Super Clone 2236 automatic movement. This ensures the correct case thickness (11.1mm) and proper crown operation.
- ✅ Power Reserve: Approximately 40-42 hours (True to size constraints).
- ✅ Functionality: Instantaneous date change and precise time setting.
- ✅ Reliability: Enhanced shock absorbers tailored for the smaller 31mm architecture.
Technical Specifications
904L Steel & 18k Everose
Constructed from genuine 904L Oystersteel with 18k Everose Gold plating (5 microns thick). The total weight matches the genuine spec closely at 82.4g, providing the correct "heft" on the wrist.
Natural Mother of Pearl
ARF sources genuine MOP shells. Since this is a natural material, every single dial has a unique cloud pattern and iridescence, exactly like the Gen. No two watches are identical.
Diamond-Set RBR
The "RBR" bezel features high-clarity Swarovski crystals, prong-set with jewelry-grade precision. They capture light brilliantly, avoiding the "cloudy" look found in cheaper replicas.
Jubilee Precision
ARF is legendary for their bracelet finish. The five-piece link Jubilee bracelet is silky smooth with zero sharp edges, featuring the concealed Crownclasp.
🏆 Why We Chose ARF for this Model?
Many clients ask: "Why not GMF or WF?"
Here is the honest truth: While GMF offers a competitive version, ARF wins in terms of case profiling and bracelet finishing. For the DateJust 31mm, the feel of the Jubilee bracelet is paramount; ARF simply produces the smoothest links in the industry, making it feel indistinguishable from Gen on the wrist.
Full Disclosure: Because the 2236 movement is physically very small, the winding action via the crown can feel slightly more delicate/stiffer compared to the larger 41mm 3235 movements. This is normal mechanics, not a defect.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | m278381rbr-0026 |
| FACTORY / VERSION | ARF V3 (Best Version) |
| MOVEMENT | Super Clone 2236 Automatic |
| CASE MATERIAL | 904L Steel + 18k Everose Gold Wrapped |
| CRYSTAL | Sapphire with AR Cyclops |
| DIMENSIONS | 31mm Diameter / 11.1mm Thickness / 82.4g Weight (Manual measurements may have slight discrepancies.) |
Common Questions about the DateJust 31
Q: Is the Mother of Pearl dial real?
A: Yes. ARF uses genuine shell. This means when you tilt the watch in the light, you will see natural color shifts (pinks, greens, creams) that printed dials cannot replicate.
Q: How does the 2236 Movement compare to the Genuine?
A: It mirrors the genuine architecture, allowing the watch to maintain the slim 11.1mm profile. It operates at 28,800vph for that signature smooth Rolex sweep.
Q: Will the gold plating fade?
A: ARF uses PVD/DLC gold plating technology which is highly durable against sweat and perfume. However, we always recommend wiping the watch down after use to maintain the luster for years.
🛡️ Our "No-Lemon" Guarantee
- Actual QC: You will receive high-res QC photos and timegrapher videos of your specific watch before we ship.
- Customs Safe: We use triangular shipping methods to ensure safe delivery to the US/EU/UK.
Ready to see your watch?