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Description
VSF Rolex Cosmograph Daytona 126505-0005
A precise execution of the modern rose gold Daytona, defined by its class-leading 11.7mm thickness and robust Dandong 4131 caliber.
Powered by Dandong 4131 Clone
The introduction of the Dandong 4131 clone caliber elevates this replica beyond previous generations. Featuring a true vertical clutch and column wheel architecture, the chronograph engages without the tell-tale subdial stutter found in modified 7750 movements. The bridges bear accurate engravings and perlage, reflecting the updated genuine 4131 aesthetic, while the balance assembly is regulated to pass before dispatch.
Regulated to 卤3��5 seconds per day. The Dandong 4131 movement exhibits exceptional amplitude stability across varying states of wind, outperforming standard Shanghai clones.
- �� Power Reserve: 60+ Hours (Dandong clone caliber)
- �� Complications: Center hours/minutes, running seconds at 6 o��clock, 12-hour chronograph
- �� Winding Direction: Bidirectional automatic winding via ball-bearing rotor
Technical Specifications
Machined to an exact 11.7mm thickness, the case matches genuine proportions. The 178.7g weight provides excellent balance, while the screw-down pushers operate with correct threading tolerances.
The dial exhibits a fine radial brush that captures light precisely, complemented by recessed black subdials. Chromalight-style luminous material is applied evenly to hands and markers.
Constructed from plated steel, the bezel features deeply engraved numerals filled with contrasting black lacquer, mirroring the modern Daytona��s highly legible scale.
Features solid end links with minimal play against the case. The Oysterlock safety clasp includes a functional 5mm Easylink extension for quick micro-adjustments.
Why VSF for This Reference?
Many collectors ask: ��Why not Clean Factory?��
While Clean Factory produces excellent Daytona cases, VSF��s access to the Dandong 4131 caliber provides a distinct mechanical advantage. The VSF iteration achieves the crucial 11.7mm thickness while delivering superior power reserve efficiency and a smoother, more genuine-feeling engagement of the chronograph pushers compared to Shanghai-based alternatives.
Full Disclosure: As with all electroplated replicas, the 18K rose gold finish is susceptible to fading over years of heavy friction, particularly on the underside of the clasp where desk-diving wear occurs.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | M126505-0005 |
| FACTORY / VERSION | VSF Edition |
| MOVEMENT | Dandong 4131 Clone Automatic |
| CASE MATERIAL | 904L Oystersteel (18K Rose Gold Plated) |
| WEIGHT & THICKNESS | 178.7g | 11.7mm |
| CRYSTAL & LUME | Sapphire with AR | Chromalight-style Blue |
| DIMENSIONS | 40mm � 46.5mm � 11.7mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 30m stated rating �� professional pressure test recommended before swimming |
Collector Q&A
Q: Does the chronograph function exactly like the genuine 4131?
A: Yes. The Dandong 4131 clone features a fully functional vertical clutch and column wheel, allowing the chronograph to start, stop, and reset crisply without subdial freezing or stutter.
Q: Is the 11.7mm case thickness accurate to the genuine 126505?
A: VSF has achieved an 11.7mm thickness, which is practically identical to the genuine reference. This represents a significant improvement over older 7750-based replicas that were noticeably thicker.
Q: How durable is the 18K rose gold plating on the 904L steel?
A: The vacuum electroplating is robust for standard wear, but as with all plated replicas, it is susceptible to scratching and chemical wear. Avoid abrasive surfaces and harsh solvents to maintain the finish over time.
Q: Why does the rotor sound slightly different from a genuine Rolex?
A: The Dandong 4131 utilizes ball bearings in the automatic winding module that produce a faint, audible whir in a quiet room. While highly reliable and mechanically sound, this rotor mechanism lacks the absolute silence of the genuine Rolex assembly.