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Description
GS Factory Rolex DateJust 31mm Ref. 278383RBR
A technically proficient mid-size replica distinguished by its dedicated clone caliber and accurate gem-setting geometry.
Powered by Clone 2236 Movement
The mechanical foundation of this piece is the Clone 2236, a self-winding caliber engineered specifically to fit the constrained dimensions of the 31mm Oyster case. Unlike generic movements adapted with spacer rings, this clone ensures the winding stem aligns perfectly with the case tube, eliminating excessive crown protrusion. It utilizes a bidirectional rotor system to maintain mainspring tension during daily wear.
Standard regulation for the Clone 2236 yields an operational variance of 卤10��15 seconds per day. The beat rate provides a smooth sweep of the seconds hand, consistent with modern mechanical standards.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Centre hour, minute, and seconds hands; instantaneous date with rapid setting
- �� Winding Direction: Bidirectional
Technical Specifications
The 31mm monobloc middle case features a screw-down case back and winding crown. The two-tone aesthetic is achieved via a robust PVD plating process over a 904L steel base.
Exhibits crisp printing and correctly proportioned indices. The Chromalight luminescence is applied evenly, offering a consistent blue glow in low-light environments.
Features synthetic stones set into the bezel ring. The prong geometry closely mirrors genuine factory techniques, avoiding the glued appearance common in lower-tier replicas.
Five-piece links with polished center links and brushed outer links. Secured by a folding Oysterclasp with tight endplay tolerances for a secure fit.
Why GS Factory for This Reference?
Many collectors ask: ��Why not standard mid-tier factories?��
GS Factory specializes in the mid-size 31mm and 28mm cases, investing in correctly proportioned clone movements rather than modifying larger calibers. This results in a case thickness that remains true to the authentic reference, alongside superior gem-setting techniques on the diamond bezel.
Full Disclosure: The 18k gold plating on the center links is a surface treatment; deep scratches will expose the stainless steel beneath, a limitation inherent to all plated replicas.
Data Sheet
| MODEL REFERENCE | m278383rbr-0018 |
| FACTORY / VERSION | GS Factory Edition |
| MOVEMENT | Clone 2236 |
| CASE MATERIAL | Oystersteel with 18k Yellow Gold Plating |
| WEIGHT & THICKNESS | [unconfirmed] g | [unconfirmed] mm |
| CRYSTAL & LUME | Sapphire with 2.5x Cyclops | Chromalight |
| DIMENSIONS | 31 mm � [unconfirmed] mm � [unconfirmed] mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 50 Meters �� professional pressure test recommended before swimming |
Collector Q&A
Q: How accurate is the diamond-set bezel on this GS Factory 278383RBR?
A: GS Factory utilizes high-grade synthetic stones set with precise CNC-machined prongs. While it lacks the refractive index of genuine Rolex factory diamonds, the alignment and setting depth closely mimic the authentic 31mm profile, avoiding the glued appearance seen in lower-tier models.
Q: Does the Clone 2236 movement operate like the genuine caliber?
A: Yes, the Clone 2236 mirrors the basic operational crown positions of the genuine movement, including the instantaneous date flip at midnight and stop-seconds (hacking) for precise time setting.
Q: Is the two-tone yellow gold plating durable for daily wear?
A: The 18k yellow gold plating is applied via a PVD process, offering reasonable resistance to daily friction. However, it requires careful handling as deep impacts or abrasive polishing cloths will expose the 904L Oystersteel base beneath.
Q: What is the primary known flaw of this specific GS Factory 31mm release?
A: The date magnification cyclops can occasionally exhibit a slight anti-reflective coating blue tint under harsh lighting, and the rotor of the Clone 2236 movement is audibly louder during rapid wrist movements compared to the silent rotation of the genuine caliber.
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