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

The V Constantin Overseas Perpetual Calendar Ultra‑Thin Ref. 4300V/120R‑B064 is the pinnacle of haute horlogerie elegance, seamlessly combining technical sophistication with sporty refinement. Housed in 18 kt rose gold, the watch measures 41.5 mm in diameter yet maintains an astonishingly slim profile of 8.10 mm, remarkable for a perpetual calendar complication.

Its silver sunburst dial presents a harmonious arrangement of snailed sub-dials displaying day, date, month, leap-year cycle, and a poetic moon-phase with two golden moons against a starry backdrop. Framed by the signature Maltese Cross-inspired bezel, the design reflects V Constantin’s iconic aesthetic.

Inside, the ultra-thin Caliber 1120QP/1 — just 4.05 mm thick — powers the watch. Comprising 276 components and 36 jewels, this self-winding movement offers approximately 40 hours of power reserve and bears the Hallmark of Geneva, a symbol of superior craftsmanship. The sapphire case back reveals a 22K gold rotor engraved with a compass rose, honoring the spirit of exploration.

With anti-magnetic protection, water resistance up to 50 meters, and exquisite finishing including Geneva stripes, perlage, and hand-beveled chamfers, the Overseas Perpetual Calendar Ultra‑Thin balances technical mastery with wearable 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 thick

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

• Bracelet: Integrated rose gold bracelet (default)

• Case Back: Sapphire exhibition

• Water Resistance: 50 m

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

Conclusion

The Overseas Perpetual Calendar Ultra‑Thin Ref. 4300V/120R‑B064 is a masterpiece of refined horology, marrying perpetual calendar complexity with elegant proportions and luxurious rose-gold artistry. Designed for the discerning collector, it embodies technical excellence, understated sophistication, and timeless style.