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Description
QF Rolex Cosmograph Daytona 116518LN-0046
QF resolves the primary tactile flaw of precious metal replicas by introducing a 150g weighted case architecture while retaining the reliable 4130 clone caliber.
Powered by Caliber 4130 Clone
The mechanical core of this piece is the widely respected 4130 clone movement. This caliber replicates the genuine Rolex architecture, utilizing a vertical clutch and column wheel to ensure the chronograph seconds hand starts without the jump or stutter common in modified 7750 movements. The inclusion of a blue Parachrom hairspring and KIF shock absorbers ensures long-term amplitude stability during daily wear.
Standard clone base movements: 卤10��15 s/day. Regulation by a professional watchsmith can often bring this within tighter tolerances.
- �� Power Reserve: Approximately 36 hours
- �� Complications: 12-hour chronograph, 30-minute counter, running sub-seconds
- �� Winding Direction: Bidirectional automatic winding
Technical Specifications
The 40mm case utilizes dense internal alloys to reach 150g, matching the 12.5mm thickness of the genuine article. The finishing alternates between high-polish lugs and brushed case flanks.
The black dial features crisp concentric circles on the champagne sub-registers. Applied indices are filled with correctly formulated Chromalight for consistent blue emission.
The fixed ceramic tachymeter bezel features recessed numerals coated with a gold-tone PVD treatment, ensuring proper legibility and resistance to fading over time.
Constructed with internal flexible metal blades encased in black elastomer. The 18K plated Oysterlock safety clasp includes the 5mm Easylink extension system.
Why QF for This Reference?
Many collectors ask: ��Why not Clean Factory (CF)?��
While CF offers marginally sharper dial printing, QF is selected specifically for its 150g weighted case. A standard 904L Daytona on Oysterflex weighs barely 105g, creating an immediate tactile tell when handled. QF bridges this gap, providing a wrist presence that closely mimics the 160g genuine solid gold model.
Full Disclosure: Because the 150g weight is achieved via denser alloy components within the steel framework, the center of gravity is slightly different than solid 18k gold, resulting in a marginally top-heavy feel on the wrist.
Data Sheet
| MODEL REFERENCE | 116518LN-0046 |
| FACTORY / VERSION | QF Weighted Edition |
| MOVEMENT | Caliber 4130 Clone |
| CASE MATERIAL | 904L Steel with 18K Yellow Gold Plating |
| WEIGHT & THICKNESS | 150g | 12.5mm |
| CRYSTAL & LUME | Scratch-proof Sapphire | Chromalight |
| DIMENSIONS | 40mm � 46.5mm � 12.5mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 50 meters �� professional pressure test recommended before swimming |
Collector Q&A
Q: Does the chronograph function exactly like the genuine caliber 4130?
A: Yes, the 4130 clone features a fully functional column wheel and vertical clutch architecture. This allows the chronograph seconds hand to run continuously without significant stutter or excessive wear on the movement components.
Q: How does the 150g weight compare to the genuine 116518LN?
A: The genuine 18k yellow gold Daytona on an Oysterflex strap weighs approximately 160g. At 150g, the QF version offers a significantly more accurate tactile experience compared to standard 904L steel replicas, which typically weigh around 105g.
Q: Can the Oysterflex strap be adjusted for different wrist sizes?
A: The Oysterflex strap includes the standard internal cushioning fins and attaches to an Oysterlock clasp featuring the Easylink extension, providing about 5mm of micro-adjustment. For larger sizing changes, different length strap halves must be sourced.
Q: What is the main drawback of the QF weighted case?
A: To achieve the 150g mass, QF utilizes denser alloys within the case structure. While the total weight closely mimics the genuine article, the density distribution is slightly different, resulting in a marginally top-heavy feel on the wrist compared to solid 18k gold.