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Description
MK Factory Vacheron Constantin Overseas Dual Time 7920V/000R-B336
A highly ambitious functional clone that successfully replicates the complex sub-dial layout of the 5110 DT, albeit with modified setting mechanics.
Powered by Modified Clone 5110 DT
The mechanical core of this MKF release is a heavily modified automatic base caliber, engineered specifically to support the 7920V’s unique complication layout. The movement runs at a standard modern beat rate of 28,800 vibrations per hour, ensuring the sweeping seconds hand behaves correctly. While the bridges and rotor are decorated to mimic the authentic Vacheron Constantin caliber—complete with faux Geneva Seal engravings—the underlying architecture relies on a custom module to drive the AM/PM indicator and dual time hand reliably.
Regulated modified clone caliber: typically ±10–15 s/day depending on wearing habits, resting position, and complication engagement.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Center Hour/Minute/Second, Date Sub-dial (6:00), Dual Time AM/PM Indicator (9:00)
- ✅ Winding Direction: Bidirectional
⚠ Movement Operation Notice
As documented by MK Factory, the setting mechanism differs from the genuine 5110 DT. The crown positions required to adjust the date and dual time do not map 1:1 to the original Vacheron Constantin user manual. Operators must exercise caution, review operational guidelines, and avoid forcing the crown to prevent gear train damage.
Technical Specifications
The 41mm case features a 5-micron thick rose gold plating over a solid steel core. It maintains the complex alternating brushed and polished facets of the Overseas line.
Features a sunburst silver base with applied rose gold markers. The dual time hand is tipped with a distinct deep brown accent, matching the AM/PM indicator text.
Constructed from plated steel, the bezel mirrors the six-sided Maltese cross motif. The polishing on the recessed areas is clean, though slightly less sharp than genuine.
Includes both rubber and leather options. MKF has successfully replicated the quick-release mechanism, allowing for tool-free strap changes on the fly.
Why MK Factory for This Reference?
Many collectors ask: “Why not wait for another factory?”
Currently, MKF holds a near-monopoly on a fully functional clone of the 7920V Dual Time. While other factories produce excellent standard three-hand Overseas models (such as the 4500V), engineering a reliable AM/PM and dual time module within the spatial constraints of this case has deterred competitors. MKF’s execution offers the correct visual layout without resorting to glued-on, non-functional sub-dial hands.
Full Disclosure: The 5-micron rose gold plating, while industry standard for high-end clones, will inevitably show the underlying steel if subjected to deep scratches or rigorous daily wear. Additionally, the non-standard crown operation requires a deliberate learning curve.
Data Sheet
| MODEL REFERENCE | 7920V/000R-B336 |
| FACTORY / VERSION | MK Factory (MKF) Edition |
| MOVEMENT | Modified Clone 5110 DT |
| CASE MATERIAL | 316L Stainless Steel (18K Rose Gold Plated) |
| WEIGHT & THICKNESS | [unconfirmed] | [unconfirmed] |
| CRYSTAL & LUME | Sapphire with AR | Super-LumiNova Clone |
| DIMENSIONS | 41mm × [unconfirmed] × [unconfirmed]Manual measurements — minor tolerances apply. |
| WATER RESISTANCE | Stated 30m — professional pressure test recommended before swimming |
Collector Q&A
Q: How do I set the dual time and date on this MKF 7920V?
A: The setting sequence differs from the genuine caliber 5110 DT. The crown positions and pusher sequences are modified; you must follow the factory operation guidelines to adjust the AM/PM and date sequentially without damaging the internal gears.
Q: Will the 18K rose gold plating fade over time?
A: MKF applies a 5-micron thick 18K rose gold plating over the 316L stainless steel base. While highly durable for daily wear, it will eventually show the steel underneath if subjected to deep scratches or abrasive polishing.
Q: Is the quick-release strap system functional on this replica?
A: Yes, MKF has replicated the proprietary Vacheron Constantin interchangeable strap system, allowing you to swap between the included rubber and leather straps without the use of specialized tools.
Q: What is the biggest tell on this specific replica?
A: Beyond the modified movement setting sequence, the movement decoration visible through the sapphire caseback lacks the deep, artisanal anglage and precise Geneva Seal engravings found on the genuine Vacheron Constantin caliber.
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