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Description
QF Rolex Day-Date 40 Ref. 228238 Tungsten Heavyweight
By matching the 185-gram mass of genuine solid gold, QF establishes a new tactile benchmark for precious metal replicas.
Powered by Super Clone 3255
The mechanical core of this reference is the Super Clone 3255, an architecture designed to mirror the operational characteristics of the modern Day-Date. It discards the traditional 2836-based modification in favor of a true clone mechanism, ensuring the time-setting direction operates clockwise, identical to the genuine article. Furthermore, the integration of a specialized calendar module allows for the instantaneous midnight switch, where both the day and date discs advance simultaneously without the slow drag seen in inferior calibers. Every movement is evaluated against to ensure proper amplitude and beat error prior to dispatch.
Standard clone 3255 calibers typically operate within a tolerance of 卤8��12 seconds per day, depending on resting position and mainspring tension.
- �� Power Reserve: Approximately 36 hours
- �� Complications: Instantaneous day and date jump at midnight
- �� Winding Direction: Bidirectional automatic winding via perpetual rotor
Technical Specifications
The case achieves a 185g mass through a dense tungsten alloy core, maintaining the standard 40mm diameter and precise 12mm thickness. Polished case sides contrast sharply with the brushed lug tops.
A deep, reflective onyx-black finish provides a stark backdrop for the simulated baguette-cut diamond markers. Coronet alignment and text printing exhibit precise depth and crispness.
The fluted bezel is machined to match the precise pitch and light-catching angles of the genuine Rolex design, plated in a rich 18K yellow gold tone.
Constructed with solid end links and semi-circular three-piece links. The concealed folding Crownclasp operates with minimal endplay and secure tension.
Why QF for This Reference?
Many collectors ask: ��Why not GMF?��
While GMF was an early pioneer in tungsten Day-Dates, their initial batches often weighed around 166g. QF has consistently hit the 185g mark, providing a tactile experience virtually indistinguishable from solid 18K gold. Additionally, QF��s application of the onyx-black dial lacquer demonstrates slightly less surface distortion under direct lighting compared to competing factories.
Full Disclosure: The 18K yellow gold plating, while rich, can appear slightly warmer or more coppery in harsh daylight compared to the very specific, paler hue of genuine Rolex 18K yellow gold.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | Day-Date 40 Ref. 228238 |
| FACTORY / VERSION | QF Tungsten Heavyweight Edition |
| MOVEMENT | Super Clone 3255 |
| CASE MATERIAL | Tungsten-Infused 904L Oystersteel |
| WEIGHT & THICKNESS | 185g | 12mm |
| CRYSTAL & LUME | Sapphire with Cyclops | None (Onyx Dial) |
| DIMENSIONS | 40mm � 47.4mm � 12mmManual measurements �� minor tolerances apply. |
| WATER RESISTANCE | 30m stated rating �� professional pressure test recommended before swimming |
Collector Q&A
Q: Is the 185g weight noticeable compared to standard steel Day-Date replicas?
A: Yes. Standard steel replicas of the Day-Date 40 typically weigh around 140g. The QF tungsten-infused case brings the weight up to 185g, which closely mimics the dense, heavy presence of a genuine solid 18K gold timepiece on the wrist.
Q: Does the day and date change instantly at midnight?
A: Yes. The Super Clone 3255 movement in this QF edition features a specialized calendar module that replicates the genuine instantaneous midnight switch, allowing both the day and date discs to jump simultaneously.
Q: How durable is the 18K yellow gold plating on the tungsten case?
A: The factory uses a high-quality PVD plating process. While highly resistant to normal wear, any gold plating can eventually show signs of friction over years of daily use, especially on the clasp and bracelet links. Avoiding harsh chemicals and abrasive surfaces will prolong the finish.
Q: Are the baguette diamonds on the dial genuine?
A: No. The hour markers are set with high-clarity simulated diamonds (cubic zirconia). While they offer sharp refraction and excellent visual presence under normal lighting, they lack the exact refractive index and hardness of the flawless diamonds used by Rolex.
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