18K WATCHES
PLACE DU CASINO, MONTE-CARLO & RUE DU RHÔNE GENEVA SALON FISCHER XRF Au750 (75.0%) SOLID 18K GOLD & PT950 CERTIFIED PRIVATE CLIENT ALLOCATION • INSURED ARMORED VAULT DELIVERY
18K WATCHES MONTE-CARLO • GENÈVE
Hublot Big Bang Unico Flyback Chronograph 42mm Ref. 441.NX.1171.RX
01 • Front Dial Portrait (1 / 8)
METALLURGICAL & CHRONOMETRIC DOSSIER

5-Axis CNC Metallurgy & Mettler-Toledo Gravimetric Verification

The Hublot Big Bang Unico Flyback Chronograph 42mm Reference 441.NX.1171.RX is a Monte-Carlo registered luxury timepiece crafted in Grade 5 Titanium Monobloc (42.0 mm x 14.5 mm) with a verified Mettler-Toledo analytical weight of 120.2g, powered by Hublot Unico Flyback Chronograph Cal. HUB1280 beating at 28,800 vph (+0.6 s/d, 296 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 100m / 10 ATM water resistance.

Entity, Maison & Official ReferenceHublot — Big Bang / Square Bang Unico | Ref. 441.NX.1171.RX | SKU: MC-CUST-441.NX.1171.RX-W612
Precious Metal Alloy & XRF PurityGrade 5 Titanium Monobloc — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission
Verified Total Mass (Mettler-Toledo Scale)120.2g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale
Bezel Architecture & Gem-Setting SpecPrecision Brushed & Polished CNC Titanium Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 120.2g Grade 5 Titanium • 42.0 mm x 14.5 mm
Swiss Super Clone Movement CalibreHublot Unico Flyback Chronograph Cal. HUB1280 — Swiss Super Clone Mechanical Calibre Regulated to +0.6 s/d, 296 deg
Power Reserve & Oscillation Frequency72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel
Double AR Sapphire Crystal & Water ResistanceScratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 100m / 10 ATM
Dial Finishing & Hallmarked Bracelet Clasp42.0 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

Recorded in our Monte-Carlo solid 18K gold Hublot register, the Hublot Big Bang Unico Flyback Chronograph 42mm Reference 441.NX.1171.RX unites authentic Geneva proportions (42.0 mm x 14.5 mm) with a certified Grade 5 Titanium Monobloc mass of 120.2g. Every detail of the Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Precision Brushed & Polished CNC Titanium Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and hallmarked clasp is verified under our Fischer XRF Au750 and Mettler-Toledo laboratory protocol.

5 Core Horological & Metallurgical Specifications:

  • Registered Entity & Ref: Hublot Big Bang Unico Flyback Chronograph 42mm — Official Reference 441.NX.1171.RX (SKU: MC-CUST-441.NX.1171.RX-W612).
  • Precious Metal Alloy: Grade 5 Titanium Monobloc with deep mechanical hallmarking and 5-axis Swiss CNC case finishing.
  • Verified Reference Mass: 120.2g confirmed on our Monte-Carlo showroom Mettler-Toledo analytical balance.
  • Mechanical Calibre: Hublot Unico Flyback Chronograph Cal. HUB1280 operating at 28,800 vph (4 Hz) with 72-hour power reserve (+0.6 s/d, 296 deg).
  • Sapphire Crystal & QC: Scratch-resistant sapphire crystal with double anti-reflective coating and 100m / 10 ATM water resistance.

Within the same Hublot horological silo, collectors also compare the Hublot Big Bang Unico 42mm Full VVS Diamond & Ruby Rehaut Edition Ref. 441.NX.1170.RX (120.3g) and the Hublot Big Bang Original Chronograph 44mm Cal. HUB4100 Ref. 301.SX.1170.RX (120.8g).

REFERENCE-SPECIFIC COLLECTOR Q&A
What is the verified authentic weight of this Hublot Ref. 441.NX.1171.RX?

This Hublot Big Bang Unico Flyback Chronograph 42mm Ref. 441.NX.1171.RX weighs 120.2g in Grade 5 Titanium Monobloc, matching the exact authentic factory weight on our Monte-Carlo showroom Mettler-Toledo analytical balance.

Are all 8 showroom photographs of Reference 441.NX.1171.RX unedited studio shots?

Yes. All 8 gallery plates show the actual timepiece captured across multiple studio angles on our quality-control bench with zero stock renders.

Which movement powers Reference 441.NX.1171.RX and how do I request the 4K QC video?

Reference 441.NX.1171.RX is powered by the Hublot Unico Flyback Chronograph Cal. HUB1280 (28,800 vph, 72-hour power reserve, regulated to +0.6 s/d, 296 deg). Message our Monte-Carlo Private Client Concierge on WhatsApp (+1 305 724 0661) for your personalized 4K video dossier.

Hublot • REF. 441.NX.1171.RX 120.2g VERIFIED

Hublot Big Bang Unico Flyback Chronograph 42mm Ref. 441.NX.1171.RX

Monte-Carlo Reference Register • 120.2g Grade 5 Titanium Monobloc • Hublot Unico Flyback Chronograph Cal. HUB1280

PRIVATE CLIENT ALLOCATION
$2,600 USDT
Secondary Market Estimate: $28,500
LIVE SWISS ASSAY TELEMETRY • BENCH #04 4K QC VIDEO READY
METTLER-TOLEDO
120.2g
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 QC Video
✓ Confidential Private Client Escrow, Bank Wire & Direct Digital Settlement
✓ 4K Mettler-Toledo scale & 5-axis CNC tolerance video approval before dispatch
✓ Insured DHL Express / Ferrari Group armored delivery
COMPLEMENTARY ALLOCATIONS

More from the Monte-Carlo Showroom

Hublot Ref. 441.NX.1171.RX • 120.2g
$2,600 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 Vendôme

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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