Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Vacheron Constantin Historiques 222 Jumbo 37mm 18K Yellow Gold Reference 4200H/222J-B935 is a direct Swiss foundry specimen engineered in 18K Yellow Gold Au750 (37.0 mm x 7.95 mm) with a certified Mettler-Toledo mass of 169.6g, Fischer XRF Au750 metallurgical verification, and Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor running at 28,800 vph (+0.7 s/d, 302 deg) with a 72-hour power reserve and 50m / 5 ATM rating.
Catalogued in our direct Swiss foundry Vacheron Constantin assay archive under Specimen Code LAB-XRF-4200H/222J-B935-W258, this Vacheron Constantin Historiques 222 Jumbo 37mm 18K Yellow Gold Reference 4200H/222J-B935 is smelted and CNC-machined in 18K Yellow Gold Au750 (37.0 mm x 7.95 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 169.6g and scanned via non-destructive Fischer XRF spectroscopy.
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 Foundry & Laboratory Assay Specifications:
- Foundry Specimen Entity: Vacheron Constantin Historiques 222 Jumbo 37mm 18K Yellow Gold — Official Ref. 4200H/222J-B935 (Specimen LAB-XRF-4200H/222J-B935-W258).
- XRF Metallurgical Assay: 18K Yellow Gold Au750 certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 169.6g verified gravimetric parity matching the authentic manufacture reference.
- Chronometric Calibre: Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor beating at 28,800 vph (4 Hz) with 72-hour reserve and +0.7 s/d, 302 deg Witschi trace.
- Optical & Pressure Testing: Double anti-reflective sapphire crystal, Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, and 50m / 5 ATM barometric sealing.
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 Ref. 4500V (152.2g).
- Parent Brand & Historiques 222 Silo Hub: Browse All 11 Certified Vacheron Constantin Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Fischer XRF Au750 Spectrometry Watch Authentication SOP-750 (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K FACTORY 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 laboratory instruments certify Reference 4200H/222J-B935 (Vacheron Constantin)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (169.6g), a Fischer XRF spectrometer (18K Yellow Gold Au750), and a Witschi Chronoscope (+0.7 s/d, 302 deg).
Does the 169.6g reading match the authentic original Vacheron Constantin 4200H/222J-B935 weight?
Yes. Our CNC foundry machines the 18K Yellow Gold case and bracelet to replicate the exact 169.6g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference 4200H/222J-B935?
Reference 4200H/222J-B935 is powered by the Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated across six positions 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 Ref. 4200H/222J-B935 — XRF Certified Edition
Fischer XRF Verified 18K Yellow Gold Au750 • Mettler-Toledo 169.6g • Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor
| Assay Specimen ID & Official Reference | Vacheron Constantin — Historiques 222 Jumbo 37mm | Ref. 4200H/222J-B935 | SKU: LAB-XRF-4200H/222J-B935-W258 |
|---|---|
| Fischer XRF Elemental Purity & Alloy | 18K Yellow Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| Mettler-Toledo Gravimetric Mass (g) | 169.6g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Tolerance, Gem-Setting & Case Dimension | 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 |
| Calibre Reference & Witschi Chronometry | Vacheron Constantin Cal. 2455/2 - 22K Gold Rotor — Swiss Super Clone Mechanical Calibre Regulated to +0.7 s/d, 302 deg |
| Isochronism Frequency & Autonomous Power Reserve | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| Double AR Sapphire Crystal & Barometric Rating | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 50m / 5 ATM |
| Dial Metallurgy & Clasp Hallmark Verification | 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 |