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Description
VSF Rolex Daytona 116519LN Black Dial on Oysterflex
The VSF 4130 Daytona establishes a new benchmark for optical clarity and mechanical stability in the replica chronograph sector.
Powered by Dandong Cal. 4130
The Dandong Caliber 4130 is widely regarded as one of the most sophisticated clone movements ever produced. It successfully replicates the vertical clutch and column wheel mechanism of the genuine Rolex caliber, ensuring that the chronograph seconds hand starts without the telltale jump seen in modified 7750 movements. The inclusion of KIF shock absorbers and a paramagnetic blue Parachrom hairspring provides significant resistance to daily impacts and magnetic fields, contributing to an exceptionally stable rate.
VSF Dandong calibers are typically regulated at the factory to operate within an impressive 卤3��5 seconds per day, exhibiting excellent amplitude and minimal beat error across multiple positions.
- �� Power Reserve: 60+ Hours (Dandong clone caliber)
- �� Complications: 12-hour chronograph, 30-minute counter, running seconds at 6 o��clock
- �� Winding Direction: Bidirectional automatic winding via Perpetual rotor
Technical Specifications
Forged from 904L stainless steel, the case achieves the exact 12.2mm thickness of the genuine article. The lugs feature correct asymmetrical polishing and precise transitions between brushed and mirrored surfaces.
The dial exhibits correct concentric circular graining inside the chronograph registers. Chromalight luminous material is evenly applied to the white gold-plated applied markers, emitting a consistent blue glow in low light.
The black ceramic tachymeter bezel is highly legible, featuring recessed numerals coated with a platinum dust composite to prevent fading and accurately replicate the authentic metallic sheen.
Constructed with internal metal blades for structural integrity, the elastomer strap offers exceptional durability. It integrates flush with the case and fastens via a finely milled Oysterlock clasp.
Why VSF for This Reference?
Many collectors ask: ��Why not Clean Factory?��
While Clean Factory (CF) produces an exceptional Daytona dial and case, VSF holds a distinct advantage in optical clarity. VSF��s proprietary sapphire crystal is noticeably clearer with a superior edge bevel, allowing the deep black dial to display without the milky halo often observed on stock CF crystals. This eliminates the common collector practice of swapping the factory crystal for an aftermarket alternative.
Full Disclosure: The replica Oysterflex strap comes in standard predefined lengths (typically E and F). Unlike the genuine model where an Authorized Dealer measures your wrist to select from six different blade lengths, finding the exact fit out of the box may require utilizing the clasp��s micro-adjustments to their maximum extent.
Data Sheet
| MODEL REFERENCE | 116519LN (904L Steel Base) |
| FACTORY / VERSION | VSF Edition |
| MOVEMENT | Dandong Cal. 4130 |
| CASE MATERIAL | 904L Oystersteel |
| WEIGHT & THICKNESS | ~110g | 12.2mm |
| CRYSTAL & LUME | Sapphire with colorless AR | Chromalight |
| DIMENSIONS | 40mm � 46.5mm � 12.2mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 50 meters �� professional pressure test recommended before swimming |
Collector Q&A
Q: Does the VSF 4130 movement have fully functional chronograph subdials?
A: Yes. The Dandong 4130 is a true 1:1 mechanical clone featuring a fully operational column wheel and vertical clutch. The 3 o��clock subdial counts 30 minutes, the 9 o��clock subdial counts 12 hours, and the 6 o��clock subdial displays running seconds.
Q: Can I swap the VSF Oysterflex strap for a genuine Rolex Oysterflex blade?
A: Yes. The case dimensions and lug hole placements on the VSF 116519LN are 1:1 with the genuine article. Genuine Oysterflex blades (which come in specific sizes like E, F, G) will fit seamlessly into the VSF case and clasp.
Q: How does the VSF Daytona compare to the Clean Factory (CF) version?
A: Both utilize the excellent Dandong 4130 movement. Clean Factory is often praised for slightly sharper subdial printing, while VSF holds a distinct advantage in optical clarity due to its superior proprietary sapphire crystal, making the black dial appear much deeper.
Q: Is the weight of this VSF replica identical to the genuine 116519LN?
A: No. The genuine 116519LN is cast in solid 18k white gold, making it significantly heavier. This VSF replica is machined from 904L Oystersteel, resulting in a lighter overall weight on the wrist. This is a known, unavoidable limitation of steel-based replicas of precious metal models.
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