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Description
QF Rolex Day-Date 40 Ref. 228238 Tungsten Heavy Edition
The integration of a tungsten core elevates the tactile experience, bringing the 186-gram weight remarkably close to the genuine 18K gold reference.
Powered by Clone Caliber 3255
The mechanical core of this Day-Date is a dedicated clone of the Rolex Caliber 3255. It is engineered to replicate the instantaneous jumping day and date mechanism, ensuring both calendar displays snap forward sharply at midnight. The movement operates at a sweeping 28,800 vibrations per hour (4Hz), providing a smooth sweep for the seconds hand. Before dispatch, each movement undergoes to verify amplitude and beat error on a timegrapher.
Standard 3255 clone calibration: 卤8��12 seconds per day, depending on resting position and mainspring tension.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Instantaneous day and date displays
- �� Winding Direction: Bidirectional rotor winding
Technical Specifications
The monobloc middle case measures exactly 40mm in diameter and 12mm in thickness. The integration of tungsten raises the mass to 186 grams, eliminating the lightweight feel of standard steel replicas.
Features a sunray finish with factory-set replica baguette and brilliant-cut diamond markers. The typography and coronet placement are highly precise to the m228238-0005 reference.
The fluted bezel exhibits sharp, clean facets designed to catch the light optimally, closely mimicking the reflective properties of the genuine solid gold component.
Three-piece semi-circular links finished with polished centers and brushed outers. Secured by a well-toleranced concealed folding Crownclasp.
Why QF Factory for This Reference?
Many collectors ask: ��Why not BP or GMF?��
While BP and GMF produce visually excellent Day-Date models, their standard 904L steel cases weigh roughly 130 grams. QF��s primary advantage is the tungsten-alloy construction, which pushes the weight to 186 grams. For a watch that is supposed to be solid 18K gold, this added density removes the immediate tactile tell when handing the watch to another enthusiast.
Full Disclosure: The 18K yellow gold plating, while visually accurate in tone, will inevitably show signs of wear over time on high-friction areas like the clasp underside, unlike a solid gold genuine piece.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | Day-Date 40 Ref. 228238-0005 |
| FACTORY / VERSION | QF (Q Factory) Tungsten Edition |
| MOVEMENT | Clone Caliber 3255 Automatic |
| CASE MATERIAL | 904L Steel with Tungsten Core (18K Plated) |
| WEIGHT & THICKNESS | 186g | 12.0mm |
| CRYSTAL & LUME | Sapphire with 2.5x Cyclops | N/A (Diamond Dial) |
| DIMENSIONS | 40mm � 47.4mm � 12mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 30m �� professional pressure test recommended before swimming |
Collector Q&A
Q: How does the weight of this QF Day-Date compare to the genuine Ref. 228238?
A: This QF edition utilizes a tungsten-alloy core, bringing the total weight to 186 grams. This is significantly closer to the genuine solid 18K gold model (which weighs approximately 200-210g depending on links) compared to standard 904L steel replicas that sit around 130 grams.
Q: Does the day and date change instantaneously at midnight?
A: Yes, the clone 3255 movement replicates the genuine mechanism, featuring a rapid, instantaneous jump for both the day and date apertures around midnight, rather than a slow roll.
Q: Are the diamond markers on the dial moissanite or cubic zirconia?
A: The markers on this specific m228238-0005 replica are high-grade cubic zirconia (CZ). They offer excellent clarity and light dispersion but do not test positive on a diamond selector.
Q: What is the main durability concern with the QF tungsten gold-plated case?
A: While the tungsten adds realistic heft, the exterior relies on 18K yellow gold plating. Over extended use, high-friction areas��specifically the underside of the President bracelet links and the concealed Crownclasp��may exhibit fading or expose the steel base beneath.