Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Hublot Big Bang Evolution Chronograph 44mm Cal. HUB4200 Reference 301.QX.1740.RX is a direct Swiss foundry specimen engineered in Forged Carbon TPT & Titanium (42.0 mm x 14.5 mm) with a certified Mettler-Toledo mass of 120.8g, Fischer XRF Au750 metallurgical verification, and Hublot Unico Flyback Chronograph Cal. HUB1280 running at 28,800 vph (+0.7 s/d, 302 deg) with a 72-hour power reserve and 100m / 10 ATM rating.
Catalogued in our direct Swiss foundry Hublot assay archive under Specimen Code LAB-CNC-301.QX.1740.RX-W348, this Hublot Big Bang Evolution Chronograph 44mm Cal. HUB4200 Reference 301.QX.1740.RX is smelted and CNC-machined in Forged Carbon TPT & Titanium (42.0 mm x 14.5 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 120.8g and scanned via non-destructive Fischer XRF spectroscopy.
What Are the Horological & Metallurgical Benchmarks of Hublot Big Bang Ref. 301.QX.1740.RX?
The Hublot Big Bang Reference 301.QX.1740.RX is a precision-engineered luxury timepiece crafted in Forged Carbon TPT & Titanium (42.0 mm x 14.5 mm) with Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Precision Brushed & Polished CNC Edition Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 120.8g, because its Hublot Unico Flyback Chronograph Cal. HUB1280 movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Foundry & Laboratory Assay Specifications:
- Foundry Specimen Entity: Hublot Big Bang Evolution Chronograph 44mm Cal. HUB4200 — Official Ref. 301.QX.1740.RX (Specimen LAB-CNC-301.QX.1740.RX-W348).
- XRF Metallurgical Assay: Forged Carbon TPT & Titanium certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 120.8g verified gravimetric parity matching the authentic manufacture reference.
- Chronometric Calibre: Hublot Unico Flyback Chronograph Cal. HUB1280 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 Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, and 100m / 10 ATM barometric sealing.
Within the Hublot Big Bang horological sub-silo, collectors also compare the Hublot Big Bang Unico Flyback Chronograph 42mm Ref. 441.NX.1171.RX (120.2g) and the Hublot Big Bang Unico 42mm Full VVS Diamond & Ruby Rehaut Edition Ref. 441.NX.1170.RX (120.3g).
- Parent Brand & Big Bang Silo Hub: Browse All 7 Certified Hublot 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 301.QX.1740.RX (Hublot)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (120.8g), a Fischer XRF spectrometer (Forged Carbon TPT & Titanium), and a Witschi Chronoscope (+0.7 s/d, 302 deg).
Does the 120.8g reading match the authentic original Hublot 301.QX.1740.RX weight?
Yes. Our CNC foundry machines the Carbon TPT case and bracelet to replicate the exact 120.8g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference 301.QX.1740.RX?
Reference 301.QX.1740.RX is powered by the Hublot Unico Flyback Chronograph Cal. HUB1280 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 Hublot Big Bang Ref. 301.QX.1740.RX?
Reference 301.QX.1740.RX combines Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands and Precision Brushed & Polished CNC Edition Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 42.0 mm x 14.5 mm Forged Carbon TPT & Titanium case weighing 120.8g, verified via Fischer XRF spectroscopy and powered by Hublot Unico Flyback Chronograph Cal. HUB1280.
Hublot Big Bang Evolution Chronograph 44mm Cal. HUB4200 Ref. 301.QX.1740.RX — XRF Certified Edition
Fischer XRF Verified Forged Carbon TPT & Titanium • Mettler-Toledo 120.8g • Hublot Unico Flyback Chronograph Cal. HUB1280
| Assay Specimen ID & Official Reference | Hublot — Big Bang / Square Bang Unico | Ref. 301.QX.1740.RX | SKU: LAB-CNC-301.QX.1740.RX-W348 |
|---|---|
| Fischer XRF Elemental Purity & Alloy | Forged Carbon TPT & Titanium — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission |
| Mettler-Toledo Gravimetric Mass (g) | 120.8g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Tolerance, Gem-Setting & Case Dimension | Precision Brushed & Polished CNC Edition Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 120.8g Carbon TPT • 42.0 mm x 14.5 mm |
| Calibre Reference & Witschi Chronometry | Hublot Unico Flyback Chronograph Cal. HUB1280 — 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 • 100m / 10 ATM |
| Dial Metallurgy & Clasp Hallmark Verification | 42.0 mm x 14.5 mm • Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp |