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Description
MX Factory Vacheron Constantin Fiftysix Complete Calendar 4000E
A technically ambitious replica that balances accurate sub-dial architecture with necessary movement modifications.
Powered by Modified Miyota 9015
To achieve the complex dial layout of the 4000E Complete Calendar, MX Factory utilizes a heavily adapted Japanese Miyota 9015 base movement. This 28,800 vph caliber has been augmented with custom modules to drive the day, date, and moonphase indications via recessed pushers on the case flank. While the visual representation is highly accurate to the genuine caliber 2460 QCL/1, the mechanical pathway requires specific operational compromises, notably a decoupled month wheel.
Standard Miyota 9015 base movements typically operate within ±10–15 seconds per day. The addition of the heavy calendar module may induce slight amplitude drops when multiple complications engage simultaneously.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Day, Date, Moonphase, Manual Month
- ✅ Winding Direction: Unidirectional (clockwise)
⚠️ Crucial Operational Guide
- Manual Month Adjustment: The month display is not linked to the date wheel. It will not automatically jump at the end of the month and must be advanced manually via the designated side pusher.
- The Ghost Position: Crown Position 2 is an empty gear resulting from the movement modification. Pull the crown fully to Position 3 to set the time.
- Pusher Danger Zone: Do not operate the recessed case flank pushers between 9:00 PM and 3:00 AM to avoid stripping the engaged calendar gears.
Technical Specifications
The 40mm case features a competent pink gold PVD coating over a stainless steel core. The distinctive lug profile and stepped case design are accurately machined, maintaining a formal dress watch proportion.
Exhibits the correct alternating Arabic numerals and baton indices. The moonphase disc printing is sharp, and the recessed sub-dials feature precise concentric snailing that catches light accurately.
A standout feature of this release is the high-domed, box-shaped sapphire crystal. It successfully replicates the vintage aesthetic of the 1956 original, complete with edge distortion.
Supplied on an alligator-embossed leather strap. The pink gold plated deployant clasp features the signature half-Maltese cross design with competent snap tolerances.
Why MX Factory for This Reference?
Many collectors ask: “Why not ZF?”
While ZF produces an excellent three-hand Fiftysix, MX Factory is the definitive choice for the Complete Calendar complication. They successfully engineered the intricate dial layout within an acceptable case thickness by modifying the reliable Miyota 9015, ensuring the visual impact of the watch remains true to the genuine article.
Full Disclosure: The unlinked manual month wheel and the ghost position on the crown are unavoidable mechanical compromises required to achieve this specific dial layout at this price point.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | 4000E/000R-B438 |
| FACTORY / VERSION | MX Factory Edition |
| MOVEMENT | Modified Miyota 9015 Base |
| CASE MATERIAL | Pink Gold Plated 316L Steel |
| WEIGHT & THICKNESS | [unconfirmed] | [unconfirmed] |
| CRYSTAL & LUME | Box-Shaped Sapphire | Standard Super-LumiNova |
| DIMENSIONS | 40.0mm × [unconfirmed] × [unconfirmed]Manual measurements — minor tolerances apply. |
| WATER RESISTANCE | 30m stated rating — professional pressure test recommended before swimming |
Collector Q&A
Q: How does the month complication function on this MX Factory replica?
A: The month display is not mechanically linked to the date wheel. It requires manual advancement at the start of each month using the dedicated recessed pusher on the case flank.
Q: What is the ‘Ghost Position’ on the crown?
A: Due to the underlying Miyota 9015 base movement modifications required for the calendar layout, crown position 2 is an empty gear. Winding occurs at position 1, and time setting requires pulling the crown fully out to position 3.
Q: Can I adjust the calendar complications at any time?
A: No. To prevent damage to the modified calendar module gears, do not operate the day, date, month, or moonphase pushers between the hours of 9:00 PM and 3:00 AM when the mechanism is actively engaged.
Q: How durable is the pink gold plating on the case?
A: The factory utilizes a standard PVD plating process over a 316L stainless steel core. While competent for dress watch usage, it is susceptible to scratches over time and cannot be polished like solid gold without revealing the steel beneath.
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