Gravimetric Mass & Chronometric Assay Bulletin
The Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold Reference 4300V is a hallmarked 18K Rose Gold Au750 haute horlogerie timepiece measuring 41.5 mm x 8.1 mm with a verified Mettler-Toledo mass of 176.2g, powered by Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin operating at 28,800 vph (+0.5 s/d, 296 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 50m / 5 ATM water resistance.
| I. Official Maison Entity & Reference | Vacheron Constantin — Overseas Perpetual Calendar / Ultra-Thin | Ref. 4300V | SKU: PV-AU750-4300V-W396 |
|---|---|
| II. Precious Metal Alloy & Hallmark Assay | 18K Rose Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| III. Certified Gravimetric Mass (Mettler-Toledo) | 176.2g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| IV. Bezel Setting & Case Architecture | Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 176.2g 18K Rose Gold • 41.5 mm x 8.1 mm |
| V. Mechanical Manufacture Calibre | Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin — Swiss Super Clone Mechanical Calibre Regulated to +0.5 s/d, 296 deg |
| VI. Power Reserve & Oscillation Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| VII. Double AR Sapphire Crystal & Hermeticity | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 50m / 5 ATM |
| VIII. Dial Finishing, Bracelet & Hallmarked Clasp | 41.5 mm x 8.1 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K Rose Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks |
Curated within our hallmarked solid 18K gold Vacheron Constantin collection, the Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold Reference 4300V exemplifies haute horlogerie metallurgy in 18K Rose Gold Au750. Milled to exact manufacture geometry (41.5 mm x 8.1 mm), the monobloc middle case, Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and Integrated 18K Rose Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks achieve a verified analytical mass of 176.2g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
What Are the Horological & Metallurgical Benchmarks of Vacheron Constantin Overseas Ref. 4300V?
The Vacheron Constantin Overseas Reference 4300V is a precision-engineered luxury timepiece crafted in 18K Rose Gold Au750 (41.5 mm x 8.1 mm) with Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 176.2g, because its Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Horological & Metallurgical Specifications:
- Entity & Reference: Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold — Official Reference 4300V (SKU: PV-AU750-4300V-W396).
- Precious Metal Assay: 18K Rose Gold Au750 verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 176.2g total mass weighed on a calibrated Mettler-Toledo laboratory scale.
- Calibre & Oscillating System: Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin beating at 28,800 vph (4 Hz) with a 72-hour power reserve (+0.5 s/d, 296 deg).
- Crystal & Hermeticity: Scratch-resistant sapphire crystal with double anti-reflective coating and 50m / 5 ATM rating.
Within the Vacheron Constantin Overseas horological sub-silo, collectors also compare the Vacheron Constantin Overseas Self-Winding 41mm Baguette Sapphire Bezel 18K White Gold Ref. 4500V/110G-B705 (188.3g) and the Vacheron Constantin Overseas Self-Winding 41mm 950 Platinum Ref. 2500V/220P-H028 (241.6g).
- Parent Brand & Overseas Silo Hub: Browse All 11 Certified Vacheron Constantin Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Swiss St. Bernard Poincon & Au750 Gold Hallmarks Guide (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K SOLID GOLD Homepage (Complete 774-Watch Solid 18K Gold & Pt950 Register)
- All-Brands Catalogue: Explore Complete 12-Maison Horological Catalogue (/shop/)
- Metallurgical & Escrow Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
What is the verified authentic gram weight of this Vacheron Constantin Ref. 4300V?
At 18K Solid Gold 18K Solid Gold Salon, this Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold Ref. 4300V weighs 176.2g on our Mettler-Toledo analytical balance, matching the exact factory mass of the authentic 18K Rose Gold reference.
How is the 18K Rose Gold Au750 purity verified prior to dispatch?
Every timepiece undergoes non-destructive Fischer X-Ray Fluorescence (XRF) spectroscopy confirming elemental bullion composition alongside a personalized 4K scale and hallmark inspection video.
Which movement powers Reference 4300V and what is its power reserve?
Reference 4300V is equipped with the Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated in our Paris and Geneva workshop to +0.5 s/d, 296 deg.
What dial and bezel specifications distinguish Vacheron Constantin Overseas Ref. 4300V?
Reference 4300V combines Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands and Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 41.5 mm x 8.1 mm 18K Rose Gold Au750 case weighing 176.2g, verified via Fischer XRF spectroscopy and powered by Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin.
Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold Reference 4300V — Hallmarked Edition
Hallmarked Au750 & Pt950 Salon Edition • 176.2g Verified Mass • Vacheron Constantin Cal. 1120 QP/1 Ultra-Thin