MKS Factory Edition — Italian Calfskin Strap
MKS Factory’s iteration of the Patrimony Moon Phase Retrograde Date 4010U/000G-B330 represents a significant technical benchmark for replica dress watches. Known for their dedication to complex architectures rather than standard sports models, MKS successfully replicates the visual layout of Vacheron Constantin’s retrograde calendar mechanics, offering a functional alternative for collectors evaluating high-complication designs.
Powered by the clone Cal.2460 R31L movement, this caliber integrates a functioning retrograde date module alongside a moon phase indicator. Unlike standard three-hand clones, the module requires precise gear meshing to ensure the retrograde hand advances and resets, though it operates with a modified architecture compared to the genuine Vacheron caliber. Power reserve is approximately 36 hours.
The 42.5mm 316L stainless steel case is fully polished to simulate the luster of the original white gold piece, weighing in at a confirmed 92g. The white dial features properly proportioned applied indices and hands, paired with a pliable Italian calfskin strap and a traditional Maltese cross folding buckle.
- Movement: Clone Cal.2460 R31L — Approximately 36 hours
- Case Material: 316L Stainless Steel, 42.5mm diameter, 13.5mm thickness, 92g
- Bezel: Polished 316L Stainless Steel, accurate step profile
- Crystal: Scratch-resistant sapphire with colorless AR coating
- Bracelet: Italian calfskin leather with original-style folding buckle
- Water Resistance: 30m stated rating — professional pressure test recommended before swimming
This piece is suited for the collector who appreciates haute horlogerie complications in a formal setting. Its 13.5mm thickness gives it substantial wrist presence while maintaining traditional dress watch aesthetics.

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