8F Edition — Integrated Steel Bracelet
The Vacheron Constantin Overseas Perpetual Calendar 4300V represents one of the most ambitious aesthetic replication targets in modern horology. This 8F release prioritizes visual symmetry and mechanical reliability over ultra-thin case dimensions, utilizing a robust modular architecture to recreate the complex quad-register dial layout of the genuine caliber 1120 QP/1.
Powering the timepiece is a heavily modified Asian 2836-2 base movement. Rather than attempting a fragile 1:1 clone of the perpetual calendar mechanism, 8F utilizes reliable calendar modules. The power reserve sits at approximately 36 hours, consistent with the ETA-architecture base, while the balance beats at 28,800 vph for a smooth sweeping seconds hand.
The case is constructed from 316L stainless steel, measuring 41.25mm in diameter with a confirmed weight of 182g. The dial features a rich sunburst blue finish, accurately placing the day, month, and date indicators. To accommodate the movement, the case thickness measures 12.6mm, featuring the signature Maltese cross bezel and alternating brushed and polished link surfaces.
- Movement: Modified Asian 2836-2 — Approximately 36 hours
- Case Material: 316L Stainless Steel, 41.25mm diameter, 182g
- Bezel: 316L Steel Maltese Cross profile, high-polish finish
- Crystal: Sapphire with anti-reflective coating
- Bracelet: Integrated 904L steel with Maltese cross links and deployant clasp
- Water Resistance: 30 Meters — professional pressure test recommended before swimming
This reference is suited for the collector who values the complex visual presence of a perpetual calendar but prefers the serviceability and stability of a proven ETA-style base movement.

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