Q-Factory Rolex Daytona Ref. 126508 “John Mayer”
The integration of a 180g tungsten core elevates this replica past standard lightweight iterations, offering genuine tactile feedback.
Powered by Clone Calibre 4131
The mechanical core of this timepiece is the updated Clone Calibre 4131, engineered to reflect Rolex’s transition from the longstanding 4130. It features a fully operational column wheel and vertical clutch, ensuring that the chronograph seconds hand starts without the stutter commonly seen in horizontal clutch mechanisms. The rotor has been updated to match the skeletonized design of the genuine 4131, and the bridges feature refined côtes de Genève finishing. All movements undergo rigorous testing to meet our strict QC standards before dispatch.
⏱ Accuracy Profile:
Regulated to perform within ±10–15 seconds per day, consistent with standard high-beat replica chronographs.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Central chronograph seconds, 30-minute counter, 12-hour counter, running seconds
- ✅ Winding Direction: Bidirectional automatic winding
Technical Specifications
THE BUILDTungsten-Infused 904L Steel
The 40mm case utilizes a proprietary tungsten core to reach approximately 180g. It features a 5-layer 18K yellow gold PVD wrap, balancing high-polish lugs with brushed structural elements.
THE DIALSunburst Green “John Mayer”
Accurate radial sunburst finish with correct red “DAYTONA” text and sub-dial rings. Applied 18K plated markers are filled with blue-emitting Chromalight compound.
THE BEZEL18K Yellow Gold Plated
Fixed tachymetric scale bezel with deep, sharp engravings. The gold tone is formulated to avoid the overly brassy yellow seen on lower-tier replicas.
THE BRACELETOyster Bracelet with Easylink
Three-piece solid links featuring polished center links and brushed outer links. Secured by an Oysterlock safety clasp with a functional 5mm comfort extension link.
Why Q-Factory for This Reference?
Many collectors ask: “Why not Clean Factory?”
While Clean Factory produces exceptional Daytona clones, their precious metal variants suffer from the standard 140g weight tell. Q-Factory’s integration of a high-density tungsten core increases the mass to 180g, providing the necessary heft that makes a gold watch feel authentic on the wrist.
Full Disclosure: The 5-layer PVD gold plating, while highly color-accurate, requires more careful maintenance than solid gold to prevent micro-scratches from exposing the steel base over years of heavy wear.
Data Sheet
| MODEL REFERENCE |
126508 (John Mayer Style) |
| FACTORY / VERSION |
Q-Factory 2026 Tungsten Edition |
| MOVEMENT |
Clone Calibre 4131 |
| CASE MATERIAL |
Tungsten-Infused 904L Steel (18K YG PVD) |
| WEIGHT & THICKNESS |
Approx. 180g | 11.9mm |
| CRYSTAL & LUME |
Sapphire with AR | Chromalight Blue |
| DIMENSIONS |
40mm × 46.5mm × 11.9mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE |
30m stated rating — professional pressure test recommended before swimming |
Collector Q&A
Q: How does the 180g weight compare to the genuine 18K gold Rolex Daytona?
A: The genuine solid 18K gold ref. 116508/126508 weighs approximately 200-210 grams depending on the number of links. The Q-Factory tungsten-infused version reaches roughly 180 grams. While slightly lighter than genuine, it completely eliminates the lightweight 140g ‘tell’ of standard steel replicas, providing a highly convincing heft on the wrist.
Q: Is the gold plating on the Q-Factory Daytona prone to fading over time?
A: Q-Factory utilizes a 5-layer PVD process infused with actual 18K yellow gold. While highly resistant to oxidation and daily wear, it is fundamentally a plated surface. We recommend avoiding harsh chemicals, abrasive polishing cloths, and prolonged saltwater exposure to maintain the integrity of the finish.
Q: Does the clone 4131 movement feature a fully functional chronograph?
A: Yes. The clone 4131 features a fully operational column wheel and vertical clutch mechanism. The central sweep seconds hand, 30-minute counter, and 12-hour counter function identically to the genuine caliber, allowing for precise timing without sweeping stutter.
Q: What is the primary visual flaw on this specific Q-Factory John Mayer replica?
A: While the sunburst green dial is highly accurate in most lighting conditions, it can shift slightly darker than genuine under direct, harsh sunlight. Additionally, the solid end-link fitment on the heavy tungsten case can occasionally exhibit microscopic tolerances compared to the seamless integration seen on genuine precious metal models.
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