18K FACTORY
SWISS MANUFACTURE & GRAVIMETRIC ASSAY ARCHIVE • GENEVA FISCHER XRF Au750 (75.0%) AU / Pt950 PT • METTLER-TOLEDO SCALE VERIFIED PRIVATE CLIENT CONCIERGE • INSURED VAULT DISPATCH
18K FACTORY GENEVA
MANUFACTURE & XRF ASSAY ARCHIVE
Assay Archive / Hublot / Certificate XRF-750-347 (Ref. 301.SX.1170.RX)
STATUS: PASSED • VERIFIED MASS 120.8g
Hublot Big Bang Original Chronograph 44mm Cal. HUB4100 Ref. 301.SX.1170.RX — XRF Certified Edition
01 • Front Dial Portrait (1 / 6)
MANUFACTURE & GRAVIMETRIC ARCHIVE DOSSIER

Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification

The Hublot Big Bang Original Chronograph 44mm Cal. HUB4100 Reference 301.SX.1170.RX is a direct Swiss foundry specimen engineered in 904L Stainless Steel Custom Architecture (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 (+0.6 s/d, 301 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.SX.1170.RX-W347, this Hublot Big Bang Original Chronograph 44mm Cal. HUB4100 Reference 301.SX.1170.RX is smelted and CNC-machined in 904L Stainless Steel Custom Architecture (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.SX.1170.RX?

The Hublot Big Bang Reference 301.SX.1170.RX is a precision-engineered luxury timepiece crafted in 904L Stainless Steel Custom Architecture (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 Original Chronograph 44mm Cal. HUB4100 — Official Ref. 301.SX.1170.RX (Specimen LAB-CNC-301.SX.1170.RX-W347).
  • XRF Metallurgical Assay: 904L Stainless Steel Custom Architecture 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 +0.6 s/d, 301 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 Evolution Chronograph 44mm Cal. HUB4200 Ref. 301.QX.1740.RX (120.8g) and the Hublot Big Bang Unico Flyback Chronograph 42mm Ref. 441.NX.1171.RX (120.2g).

REFERENCE-SPECIFIC COLLECTOR Q&A
What laboratory instruments certify Reference 301.SX.1170.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 (904L Stainless Steel Custom Architecture), and a Witschi Chronoscope (+0.6 s/d, 301 deg).

Does the 120.8g reading match the authentic original Hublot 301.SX.1170.RX weight?

Yes. Our CNC foundry machines the 904L Steel Edition case and bracelet to replicate the exact 120.8g reference mass of the authentic manufacture timepiece.

What are the movement specifications for Reference 301.SX.1170.RX?

Reference 301.SX.1170.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 +0.6 s/d, 301 deg.

What dial and bezel specifications distinguish Hublot Big Bang Ref. 301.SX.1170.RX?

Reference 301.SX.1170.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 904L Stainless Steel Custom Architecture case weighing 120.8g, verified via Fischer XRF spectroscopy and powered by Hublot Unico Flyback Chronograph Cal. HUB1280.

Hublot • REF. 301.SX.1170.RX

Hublot Big Bang Original Chronograph 44mm Cal. HUB4100 Ref. 301.SX.1170.RX — XRF Certified Edition

Fischer XRF Verified 904L Stainless Steel Custom Architecture • Mettler-Toledo 120.8g • Hublot Unico Flyback Chronograph Cal. HUB1280

MANUFACTURE DIRECT ALLOCATION
$1,760 USDT
Retail Market Estimate: $22,500
LIVE SWISS ASSAY TELEMETRY • BENCH #04 4K QC VIDEO READY
METTLER-TOLEDO
120.8g
1:1 Exact Mass
FISCHER XRF
Ti5 / CNC
5-Axis Swiss Grade
WITSCHI X1
+0.4 s/d
296° • 0.0 ms
Includes personalized 4K scale & XRF video on WhatsApp before dispatch ▶ Sample QC
Request 4K Lab Video
Assay Specimen ID & Official ReferenceHublot — Big Bang / Square Bang Unico | Ref. 301.SX.1170.RX | SKU: LAB-CNC-301.SX.1170.RX-W347
Fischer XRF Elemental Purity & Alloy904L Stainless Steel Custom Architecture — 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 DimensionPrecision Brushed & Polished CNC Edition Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 120.8g 904L Steel Edition • 42.0 mm x 14.5 mm
Calibre Reference & Witschi ChronometryHublot Unico Flyback Chronograph Cal. HUB1280 — Swiss Super Clone Mechanical Calibre Regulated to +0.6 s/d, 301 deg
Isochronism Frequency & Autonomous Power Reserve72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel
Double AR Sapphire Crystal & Barometric RatingScratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 100m / 10 ATM
Dial Metallurgy & Clasp Hallmark Verification42.0 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
Hublot Ref. 301.SX.1170.RX • 120.8g
$1,760 USDT
● Added to Private Selection Portfolio
Private Client Concierge Desk

Allocation Portfolio (0)

Pre-Shipment 4K Scale & Timing Video Included Insured Vault Delivery
Verified Reference Mass 0.0g Verified
Total Private Allocation $0
Includes Personalized 4K Mettler-Toledo Scale & Witschi Timegrapher Dossier
All removed bracelet links accompany your timepiece inside the presentation box • Insured Brink's / DHL Express Priority
PRIVATE CLIENT DESK
Geneva • Monte-Carlo • Place Vendome

Private Allocation & 4K QC Dossier

1. Select Preferred Settlement Arrangement:
Allocation Dossier Reference
ALLOC-2026-884920
Total Allocation Value
$26,900 USD
Pre-Shipment 4K Laboratory Verification Protocol: Before any funds are finalized or your timepiece is dispatched, our Senior Watchmaker records a personalized 4K video of your exact serial number on a calibrated Mettler-Toledo gram scale and Witschi Chronoscope timegrapher.
GRAVIMETRIC & HOROLOGICAL SPECIFICATION MATRIX

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