Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Vacheron Constantin Overseas Dual Time 41mm Reference 7900V is a direct Swiss foundry specimen engineered in 904L Stainless Steel Custom Architecture (41.0 mm x 12.8 mm) with a certified Mettler-Toledo mass of 163.6g, Fischer XRF Au750 metallurgical verification, and Vacheron Constantin Cal. 5110 DT - 22K Gold Rotor running at 28,800 vph (+0.5 s/d, 299 deg) with a 72-hour power reserve and 150m / 15 ATM rating.
Catalogued in our direct Swiss foundry Vacheron Constantin assay archive under Specimen Code LAB-CNC-7900V-W516, this Vacheron Constantin Overseas Dual Time 41mm Reference 7900V is smelted and CNC-machined in 904L Stainless Steel Custom Architecture (41.0 mm x 12.8 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 163.6g and scanned via non-destructive Fischer XRF spectroscopy.
What Are the Horological & Metallurgical Benchmarks of Vacheron Constantin Overseas Ref. 7900V?
The Vacheron Constantin Overseas Reference 7900V is a precision-engineered luxury timepiece crafted in 904L Stainless Steel Custom Architecture (41.0 mm x 12.8 mm) with Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 163.6g, because its Vacheron Constantin Cal. 5110 DT - 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 Overseas Dual Time 41mm — Official Ref. 7900V (Specimen LAB-CNC-7900V-W516).
- XRF Metallurgical Assay: 904L Stainless Steel Custom Architecture certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 163.6g verified gravimetric parity matching the authentic manufacture reference.
- Chronometric Calibre: Vacheron Constantin Cal. 5110 DT - 22K Gold Rotor beating at 28,800 vph (4 Hz) with 72-hour reserve and +0.5 s/d, 299 deg Witschi trace.
- Optical & Pressure Testing: Double anti-reflective sapphire crystal, Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, and 150m / 15 ATM barometric sealing.
Within the Vacheron Constantin Overseas horological sub-silo, collectors also compare the Vacheron Constantin Overseas Ultra-Thin Skeleton 18K White Gold Ref. 4300V/220G-B909 (241.7g) and the Vacheron Constantin Overseas Perpetual Calendar / Ultra-Thin 18K Rose Gold Ref. 4300V (176.2g).
- Parent Brand & Overseas 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 7900V (Vacheron Constantin)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (163.6g), a Fischer XRF spectrometer (904L Stainless Steel Custom Architecture), and a Witschi Chronoscope (+0.5 s/d, 299 deg).
Does the 163.6g reading match the authentic original Vacheron Constantin 7900V weight?
Yes. Our CNC foundry machines the 904L Steel Edition case and bracelet to replicate the exact 163.6g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference 7900V?
Reference 7900V is powered by the Vacheron Constantin Cal. 5110 DT - 22K Gold Rotor operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated across six positions to +0.5 s/d, 299 deg.
What dial and bezel specifications distinguish Vacheron Constantin Overseas Ref. 7900V?
Reference 7900V combines Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands and Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 41.0 mm x 12.8 mm 904L Stainless Steel Custom Architecture case weighing 163.6g, verified via Fischer XRF spectroscopy and powered by Vacheron Constantin Cal. 5110 DT - 22K Gold Rotor.
Vacheron Constantin Overseas Dual Time 41mm Ref. 7900V — XRF Certified Edition
Fischer XRF Verified 904L Stainless Steel Custom Architecture • Mettler-Toledo 163.6g • Vacheron Constantin Cal. 5110 DT - 22K Gold Rotor
| Assay Specimen ID & Official Reference | Vacheron Constantin — Overseas Dual Time 41mm | Ref. 7900V | SKU: LAB-CNC-7900V-W516 |
|---|---|
| Fischer XRF Elemental Purity & Alloy | 904L Stainless Steel Custom Architecture — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission |
| Mettler-Toledo Gravimetric Mass (g) | 163.6g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Tolerance, Gem-Setting & Case Dimension | Six-Sided Maltese Cross Polished & Satin-Brushed Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 163.6g 904L Steel Edition • 41.0 mm x 12.8 mm |
| Calibre Reference & Witschi Chronometry | Vacheron Constantin Cal. 5110 DT - 22K Gold Rotor — Swiss Super Clone Mechanical Calibre Regulated to +0.5 s/d, 299 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 • 150m / 15 ATM |
| Dial Metallurgy & Clasp Hallmark Verification | 41.0 mm x 12.8 mm • Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp |