Vacheron Constantin Ref. 4300V/120R-B064

Vacheron Constantin Overseas Perpetual Calendar Ultra‑Thin 41.5 mm Rose Gold Ref. 4300V/120R‑B064

The Vacheron Constantin Overseas Perpetual Calendar Ultra‑Thin is a sublime expression of haute-horlogerie refinement blended with a sporty elegance. Encased in 18 kt rose gold, the watch measures 41.5 mm in diameter and only 8.10 mm in thickness, delivering a remarkably slim profile for a perpetual calendar mechanism.

The silver sunburst dial is meticulously arranged, with subtle snailed sub-dials indicating day, date, month, leap-year cycle, and a poetic moon-phase display, featuring two golden moons against a starry sky.The elegant layout is framed by the signature Maltese Cross‑inspired bezel, underscoring Vacheron’s iconic design language.

Beating at the heart is the ultra-thin Caliber 1120QP/1, a self-winding movement just 4.05 mm thick, comprised of 276 components and 36 jewels. It provides approximately 40 hours of power reserve, and is certified by the prestigious Hallmark of Geneva, ensuring supreme craftsmanship. The sapphire case back reveals the 22K gold rotor engraved with a compass rose—a beautiful nod to exploration.

Water-resistant to 50 meters, anti-magnetic, and crafted with refined finishes such as Geneva stripes, perlage, and hand-beveled chamfers, this Overseas model harmonizes technical complexity with elegance.

Key Specifications:

• Reference: 4300V/120R‑B064

• Case: 41.5 mm × 8.10 mm, 18 kt rose gold

• Dial: Silver sunburst with day, date, month, leap year, moon-phase

• Movement: Caliber 1120QP/1, automatic, 276 components, 36 jewels, Hallmark of Geneva, ~40h power reserve, 4.05 mm thickness

• Functions: Hours, minutes, perpetual calendar, moon phase

• Bracelet: Integrated rose gold bracelet (default)

• Case Back: Sapphire exhibition

• Water Resistance: 50 m

• Special: Anti-magnetic, ultra-thin slender profile

Conclusion:

The Overseas Perpetual Calendar Ultra‑Thin Ref. 4300V/120R‑B064 stands as a masterpiece of refined complexity and wearable elegance. Its slim and balanced proportions, perpetual calendar sophistication, and luxurious rose-gold artistry make it a benchmark timepiece for the astute collector—where technical mastery meets timeless style.