Gravimetric Mass & Chronometric Assay Bulletin
The Vacheron Constantin Historiques 222 Jumbo 37mm 18K Yellow Gold Reference 4200H/222J-B935 is a hallmarked 18K Yellow Gold Au750 haute horlogerie timepiece measuring 37.0 mm x 7.95 mm with a verified Mettler-Toledo mass of 169.6g, powered by Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor operating at 28,800 vph (+0.7 s/d, 302 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 — Historiques 222 Jumbo 37mm | Ref. 4200H/222J-B935 | SKU: PV-AU750-4200H/222J-B935-W258 |
|---|---|
| II. Precious Metal Alloy & Hallmark Assay | 18K Yellow Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| III. Certified Gravimetric Mass (Mettler-Toledo) | 169.6g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| IV. Bezel Setting & Case Architecture | Hand-Finished 18K Yellow Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 169.6g 18K Yellow Gold • 37.0 mm x 7.95 mm |
| V. Mechanical Manufacture Calibre | Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor — Swiss Super Clone Mechanical Calibre Regulated to +0.7 s/d, 302 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 | 37.0 mm x 7.95 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K Yellow Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks |
Curated within our hallmarked solid 18K gold Vacheron Constantin collection, the Vacheron Constantin Historiques 222 Jumbo 37mm 18K Yellow Gold Reference 4200H/222J-B935 exemplifies haute horlogerie metallurgy in 18K Yellow Gold Au750. Milled to exact manufacture geometry (37.0 mm x 7.95 mm), the monobloc middle case, Hand-Finished 18K Yellow Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and Integrated 18K Yellow Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks achieve a verified analytical mass of 169.6g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
What Are the Horological & Metallurgical Benchmarks of Vacheron Constantin Historiques 222 Ref. 4200H/222J-B935?
The Vacheron Constantin Historiques 222 Reference 4200H/222J-B935 is a precision-engineered luxury timepiece crafted in 18K Yellow Gold Au750 (37.0 mm x 7.95 mm) with Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Hand-Finished 18K Yellow Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 169.6g, because its Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Horological & Metallurgical Specifications:
- Entity & Reference: Vacheron Constantin Historiques 222 Jumbo 37mm 18K Yellow Gold — Official Reference 4200H/222J-B935 (SKU: PV-AU750-4200H/222J-B935-W258).
- Precious Metal Assay: 18K Yellow Gold Au750 verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 169.6g total mass weighed on a calibrated Mettler-Toledo laboratory scale.
- Calibre & Oscillating System: Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor beating at 28,800 vph (4 Hz) with a 72-hour power reserve (+0.7 s/d, 302 deg).
- Crystal & Hermeticity: Scratch-resistant sapphire crystal with double anti-reflective coating and 50m / 5 ATM rating.
Within the Vacheron Constantin Historiques 222 horological sub-silo, collectors also compare the Vacheron Constantin Historiques 222 Jumbo 37mm Blue-Grey Dial Ref. 4200H/222A-B934 (132.5g) and the Vacheron Constantin Overseas Self-Winding 41mm Baguette Sapphire Bezel 18K White Gold Ref. 4500V/110G-B705 (188.3g).
- Parent Brand & Historiques 222 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. 4200H/222J-B935?
At 18K Solid Gold 18K Solid Gold Salon, this Vacheron Constantin Historiques 222 Jumbo 37mm 18K Yellow Gold Ref. 4200H/222J-B935 weighs 169.6g on our Mettler-Toledo analytical balance, matching the exact factory mass of the authentic 18K Yellow Gold reference.
How is the 18K Yellow 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 4200H/222J-B935 and what is its power reserve?
Reference 4200H/222J-B935 is equipped with the Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated in our Paris and Geneva workshop to +0.7 s/d, 302 deg.
What dial and bezel specifications distinguish Vacheron Constantin Historiques 222 Ref. 4200H/222J-B935?
Reference 4200H/222J-B935 combines Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands and Hand-Finished 18K Yellow Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 37.0 mm x 7.95 mm 18K Yellow Gold Au750 case weighing 169.6g, verified via Fischer XRF spectroscopy and powered by Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor.
Vacheron Constantin Historiques 222 Jumbo 37mm 18K Yellow Gold Reference 4200H/222J-B935 — Hallmarked Edition
Hallmarked Au750 & Pt950 Salon Edition • 169.6g Verified Mass • Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor