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Description
H8F Factory Vacheron Constantin Historiques Cornes de vache 1955 5000H/000R-B059
A visually striking homage that trades strict dimensional accuracy for the robust reliability of an automatic 7750 chronograph movement.
Powered by Asian 7750 Automatic Chronograph
The H8F edition utilizes the ubiquitous Asian 7750 automatic chronograph caliber, adapted to support a bi-compax subdial layout. While the genuine reference employs the legendary manual-wind Caliber 1142, this replica opts for an automatic architecture, introducing a winding rotor visible through the exhibition caseback. The movement operates at a modern 28,800 vibrations per hour, providing a smooth sweep for the central chronograph seconds hand and reliable actuation for the elapsed minute counter.
Standard Asian 7750 base movements typically yield an accuracy of ±10–15 seconds per day straight from the factory. A professional service and regulation can often tighten this tolerance to ±5–8 seconds per day.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Bi-compax chronograph, running seconds, 30-minute elapsed counter
- ✅ Winding Direction: Unidirectional (clockwise)
Technical Specifications
The case is upscaled to 42mm in diameter and 10mm in thickness to house the automatic movement. It retains the signature teardrop lugs, fully polished to mimic the dress aesthetic of the original.
Features applied rose gold-toned indices, a sharp blue tachymeter scale, and recessed subdials. The printing is crisp, though subdial spacing is slightly wider due to the 7750 pinion layout.
A fixed, highly polished stepped bezel frames the sapphire crystal, correctly echoing the mid-century case architecture of the vintage reference.
Fitted with a supple brown Italian calfskin leather strap, secured by a rose gold-plated double snap buckle featuring the classic Maltese cross motif.
Why H8F for This Reference?
Many collectors ask: “Why not ZF or APSF?”
H8F is one of the very few factories producing the niche Cornes de vache 1955 reference. While mainstream factories avoid vintage Vacheron chronographs entirely due to the complexity of replicating the manual-wind 1142 caliber, H8F provides a highly functional, accessible alternative by utilizing the robust and easily serviceable 7750 automatic framework.
Full Disclosure: The most significant deviation is the 42mm case diameter (necessitated by the 7750 movement) compared to the genuine 38.5mm, alongside the presence of an automatic rotor in what should be a manual-wind exhibition caseback.
Data Sheet
| MODEL REFERENCE | 5000H/000R-B059 |
| FACTORY / VERSION | H8F Edition |
| MOVEMENT | Asian 7750 Automatic Chronograph |
| CASE MATERIAL | Rose Gold-Plated Stainless Steel |
| WEIGHT & THICKNESS | [unconfirmed] | 10.0 mm |
| CRYSTAL & LUME | Sapphire | Non-Luminous Dress Dial |
| DIMENSIONS | 42.0 mm × [unconfirmed] × 10.0 mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE | 30m Stated — professional pressure test recommended before swimming |
Collector Q&A
Q: Why is the case diameter 42mm when the genuine Cornes de vache is 38.5mm?
A: The H8F factory utilizes an Asian 7750 automatic movement, which is thicker and wider than the manual-wind Caliber 1142 used in the genuine. The case was upscaled to 42mm to physically accommodate this movement architecture.
Q: Are all chronograph functions operational on this H8F replica?
A: Yes, the 7750 movement supports a fully functional chronograph. The central seconds hand acts as the chronograph sweep, while the subdials accurately track running seconds and elapsed chronograph minutes.
Q: Is the movement manual-wind like the genuine reference?
A: No. The H8F version uses an automatic movement with a winding rotor. While this offers daily convenience on the wrist, it is a technical deviation from the historically accurate manual-wind caliber found in the genuine piece.
Q: How accurate is the rose gold plating on the case?
A: The rose gold tone is well-executed and mimics the warmth of Vacheron’s 4N pink gold. However, as with all plated replicas, it lacks the mass of solid gold and requires care to avoid deep scratches that could reveal the steel base beneath.
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