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Description
DIW Factory Custom Forged Carbon Rolex Daytona
A precise exercise in composite materials, delivering full 4130 chronograph functionality within an ultra-lightweight 58-gram chassis.
Powered by Dandong 4130 Clone
The Dandong 4130 is widely regarded as the pinnacle of replica chronograph movements, offering a true 1:1 architectural replication of the Rolex Calibre 4130. Unlike modified 7750 movements that artificially inflate case dimensions, this caliber allows the watch to maintain the genuine 11.8mm profile. It features a fully functional column wheel and vertical clutch, ensuring the chronograph seconds hand starts without the telltale jump seen in horizontal clutch systems.
Dandong 4130 chronographs are typically regulated to ±5–7 seconds per day, offering highly stable amplitude across various positional variances.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Fully functional chronograph (Seconds, Minutes, Hours)
- ✅ Winding Direction: Bidirectional automatic winding
Technical Specifications
The entire mid-case is machined from a solid block of forged carbon, yielding a total watch weight of just 58 grams while preserving the exact 11.8mm thickness of the genuine article.
Features specialized DIW typography with a non-reflective matte finish. The sub-dials are sharply recessed, and indices are filled with correct blue-emitting Chromalight.
The fixed tachymeter bezel is crafted from the same forged carbon matrix, featuring deeply engraved numerals that align perfectly with the composite’s striated texture.
Fitted with a durable, lightweight nylon strap featuring a secure velcro/buckle closure system, specifically chosen to complement the ultra-lightweight nature of the carbon case.
Why DIW Factory for This Reference?
Many collectors ask: “Why not Clean Factory?”
While Clean Factory remains the undisputed benchmark for standard 904L Oystersteel Daytonas, DIW Factory is the definitive source for forged carbon modifications. Their proprietary molding process yields a dense, non-porous carbon matrix that accurately replicates the authentic DIW aesthetic without adding unnecessary case thickness, successfully achieving the targeted 58-gram weight.
Full Disclosure: Forged carbon, while highly scratch-resistant, is inherently more brittle than standard 904L steel and can chip if subjected to sharp, direct impacts against hard surfaces.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | Custom DIW Daytona (Base 116500LN) |
| FACTORY / VERSION | DIW Factory Edition |
| MOVEMENT | Dandong 4130 Clone |
| CASE MATERIAL | Forged Carbon Fiber |
| WEIGHT & THICKNESS | 58g | 11.8mm |
| CRYSTAL & LUME | Scratch-proof Sapphire | Chromalight (Blue SuperLume) |
| DIMENSIONS | 40.0mm × 46.5mm × 11.8mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE | Stated 30m — professional pressure test recommended before swimming |
Collector Q&A
Q: Is the chronograph fully functional like the genuine 4130?
A: Yes, the Dandong 4130 clone features a working column wheel and vertical clutch, allowing the sub-dials to record seconds, minutes, and hours accurately without adding unnecessary thickness to the case.
Q: How does the forged carbon case compare to standard steel Daytonas in weight?
A: This DIW Factory edition weighs exactly 58 grams, which is a massive reduction compared to the approximately 140 grams of a standard 904L Oystersteel Daytona.
Q: Are the striations on the carbon case identical on every watch?
A: No, the forged carbon manufacturing process creates a randomized, unique marble-like pattern for every individual case and bezel, meaning no two watches will look exactly the same.
Q: What is the main drawback of this specific forged carbon modification?
A: While exceptionally light and highly resistant to superficial scratches, forged carbon is inherently more brittle than steel. It is susceptible to chipping if subjected to hard, sharp impacts against solid surfaces.
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