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Description
GS Factory Rolex Datejust 31 Ref. 278381RBR
A technically proficient 31mm release that successfully integrates the clone 2236 caliber with accurate two-tone Oyster proportions.
Powered by Clone Caliber 2236
The clone 2236 movement replicates the date-wheel font and instantaneous midnight change characteristic of the genuine Rolex caliber. It utilizes a bidirectional winding rotor and maintains a beat rate of 28,800 vibrations per hour, ensuring a smooth sweep of the seconds hand. The architecture incorporates a functional stop-seconds mechanism, allowing for precise synchronization with a reference time source.
The GS Factory clone 2236 typically operates within a tolerance of 卤8��12 seconds per day, consistent with standard high-beat Asian clone movements in this tier.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Instantaneous date with rapid setting, stop-seconds
- �� Winding Direction: Bidirectional
Technical Specifications
The 31mm monobloc middle case exhibits correct lug tapering and polished flanks, contrasting appropriately with the brushed surfaces of the steel components.
Features a sunray finish that accurately mimics the genuine light dispersion, complemented by synthetic diamond-set hour markers with crisp metallic surrounds.
The fixed bezel is adorned with synthetic stones intended to replicate the factory RBR gem-setting, seated firmly within rose gold plated prongs.
Constructed with solid end links and an Oysterclasp. The rose gold plating on the polished center links provides a strong visual contrast against the brushed steel outer links.
Why GS Factory for This Reference?
Many collectors ask: ��Why not GMF?��
While GMF produces excellent mid-size Datejusts, the GS Factory version of the 278381RBR offers a slightly more refined brown dial tone that avoids the overly saturated, reddish hue sometimes observed in competing batches. Additionally, the integration of the 2236 clone caliber in the GS build provides a reliable date mechanism with a sharply printed date disc that aligns well within the Cyclops window.
Full Disclosure: The synthetic stones used on the bezel and dial indices, while visually appealing to the naked eye, lack the depth and refractive brilliance of genuine factory diamonds under loupe inspection.
Data Sheet
| MODEL REFERENCE | 278381RBR |
| FACTORY / VERSION | GS Factory Edition |
| MOVEMENT | Clone Caliber 2236 |
| CASE MATERIAL | 904L Oystersteel & Rose Gold Plated |
| WEIGHT & THICKNESS | [unconfirmed] | [unconfirmed] |
| CRYSTAL & LUME | Sapphire with Cyclops | Chromalight |
| 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 accurate is the Everose gold plating on the GS Factory 278381RBR?
A: The rose gold plating closely mimics Rolex��s proprietary Everose alloy in natural daylight, though it may exhibit a slightly warmer, more copper-leaning tone under harsh artificial lighting compared to the solid genuine material.
Q: Does the date change instantaneously at midnight on this 31mm model?
A: Yes, the GS Factory clone 2236 movement features an instantaneous date change mechanism, snapping over sharply at midnight rather than rolling over gradually.
Q: Are the stones on the dial and bezel real diamonds?
A: No, the GS Factory utilizes high-grade synthetic stones (typically cubic zirconia). While they offer excellent light play for daily wear, they do not possess the refractive index or hardness of genuine factory diamonds.
Q: Will the rose gold plating on the Oyster bracelet fade over time?
A: Like all plated replicas, the longevity of the finish depends heavily on wear habits. Frequent exposure to friction, harsh chemicals, or acidic sweat will eventually degrade the plating on the bracelet center links and the folding Oysterclasp.
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