Skip to product information
Hublot Big Bang Unico Titanium 44mm 421.NX.1170.RX - BRAND NEW

Hublot Big Bang Unico Titanium 44mm 421.NX.1170.RX - BRAND NEW Hublot Big Bang Unico Titanium 44mm 421.NX.1170.RX…

Reference 421.NX.1170.RX

Full watch configuration

Hublot Big Bang Unico Titanium 44mm 421.NX.1170.RX - BRAND NEW

$9,576.00
Requested condition
Brand New

By Hublot

Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.

Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.

Hublot Big Bang Unico Titanium 44mm 421.NX.1170.RX - BRAND NEW

Hublot Big Bang Unico Titanium 44mm 421.NX.1170.RX - BRAND NEW

Current Catalogue Asking Price:

Your Offer

$

Submit your offer for review. Availability and the final price require confirmation.

Preferred Contact Method
I have a trade-in / add a note

Reserve with $200

Hublot Big Bang Unico Titanium 44mm 421.NX.1170.RX - BRAND NEW

Catalogue watch price: $9,576.00 USD

Your $200 deposit is applied to the watch’s purchase price. It is refundable only if Bizak & Co. cannot fulfill your order.

Estimated remaining balance: $. Pay by bank wire or cryptocurrency after we confirm your watch and final invoice. Shipping and applicable taxes are additional.

Shipping details · Return terms

Watch shipping is paid with the final balance: $100 for U.S. overnight delivery or $500 internationally. Applicable taxes and import charges are additional.

After payment, our team starts the tailored search and contacts you to confirm the specific watch and final invoice. A deposit does not guarantee a unit, the listed price or a delivery date.

Need installments? Check eligibility before paying a deposit.

Speak with a Bizak & Co. specialist about this piece

|Call or Text

The Hublot Big Bang Unico 421.NX.1170.RX is a brand-new 44mm automatic watch featuring a lightweight titanium case, skeletonized black dial with index and Arabic numeral markers, a matching titanium bezel, and a black rubber strap. This reference sits at the core of Hublot's flagship Big Bang Unico collection, combining high-tech materials with bold, contemporary design in a wrist-commanding 44mm format.

Reference 421.NX.1170.RX stands out for its fusion of aviation-grade titanium construction and Hublot's signature integrated rubber strap system, delivering exceptional comfort alongside striking aesthetics. Contact Bizak & Co. today to purchase this brand-new Hublot Big Bang Unico at the best price or browse our full selection of new Hublot watches for sale online.

Compare it across every Big Bang Unico reference we carry, or browse the full Hublot collection at Bizak & Co.

Buy this Big Bang Unico, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.

Not the exact one you’re looking for?

Source your dream watch

Learn More

The Hublot Big Bang Unico 421.NX.1170.RX represents one of the most iconic expressions of modern Swiss watchmaking, blending aggressive architecture with cutting-edge materials in a 44mm package that has defined luxury sports watch design for nearly two decades. Introduced as Hublot's statement piece, the Big Bang line took the industry by storm with its Art of Fusion philosophy — the deliberate marriage of unexpected materials, bold geometry, and in-house mechanical mastery. Reference 421.NX.1170.RX is a distillation of everything that philosophy promises.

The 44mm case is crafted from grade-1 titanium, a material prized in both aerospace and haute horlogerie for its remarkable strength-to-weight ratio and natural resistance to corrosion. Titanium wears dramatically lighter on the wrist than steel or gold, making this 44mm case far more wearable day-to-day than its proportions might suggest. The sandblasted and polished titanium finishing gives the case a distinctive two-tone texture that catches light without being flashy — sophisticated restraint wrapped in an assertive silhouette.

The dial of reference 421.NX.1170.RX presents a black skeletonized face populated with index and Arabic numeral hour markers, offering a purposeful legibility against the mechanical complexity visible beneath. Hublot's characteristic multi-part case architecture frames this dial, with the iconic H-shaped titanium screws on the bezel and lug flanks serving as unmistakable brand signatures. The result is a dial that is simultaneously a technical showcase and a clean, readable instrument.

Powering the Big Bang Unico is an automatic movement with a flyback chronograph complication — the Unico designation refers precisely to Hublot's integrated, in-house column-wheel flyback chronograph caliber, a hallmark of this reference family. The movement is visible through the open-worked dial and caseback, rewarding the enthusiast with a view of oscillating bridges and intricate finishing. This level of in-house movement development elevates the Big Bang Unico well beyond the category of fashion watch into the realm of genuine manufacture timepieces.

On the wrist, the black rubber strap — developed using Hublot's proprietary rubber compound and secured via the One-Click interchangeable strap system — delivers comfort that is rare for a 44mm sport-luxury watch. The strap can be swapped without tools, a practical touch that underscores Hublot's commitment to versatile daily wearability. Whether paired with casual dress or formal attire, the 421.NX.1170.RX carries with authority.

Bizak & Co. is proud to offer this reference 421.NX.1170.RX brand new, allowing the next owner to experience the complete Hublot unboxing and ownership experience with full manufacturer documentation. Buying from Bizak & Co. means working with a trusted luxury watch dealer committed to authenticity, transparency, and competitive pricing. Reach out to our team today to secure this Hublot Big Bang Unico Titanium 44mm at the best price available online.

Technical Details
Reference
421.NX.1170.RX
Model
Big Bang Unico
Movement
Automatic
Case material
Titanium
Bracelet material
Rubber
Dial
Black with index and Arabic numeral markers
Case size
44mm
Requested condition
Brand New
FAQ

1. What makes the Hublot Big Bang Unico 421.NX.1170.RX special?
Reference 421.NX.1170.RX is special because it combines an in-house automatic flyback chronograph movement with a lightweight 44mm titanium case and Hublot's iconic multi-part case architecture. The open-worked black dial with Arabic numeral and index markers adds visual depth, making this one of the most technically and aesthetically compelling references in the Big Bang Unico lineup.

2. What movement powers the Hublot Big Bang Unico 421.NX.1170.RX?
The Big Bang Unico line is powered by Hublot's proprietary in-house automatic caliber featuring a column-wheel flyback chronograph — it is the Unico designation that specifically identifies this integrated manufacture movement. The movement is visible through both the open-worked dial and the exhibition caseback, offering a compelling view of the mechanical architecture within.

3. What is the case size of the Hublot Big Bang Unico 421.NX.1170.RX?
This reference features a 44mm case diameter, placing it firmly in the large sport-watch category. Thanks to the titanium construction, the case wears lighter than its size suggests, making it comfortable for extended daily wear despite its bold proportions.

4. Is the Hublot Big Bang Unico 421.NX.1170.RX suitable for everyday wear?
Yes — the titanium case, durable rubber strap, and robust automatic movement make the 421.NX.1170.RX well-suited for daily wear. The One-Click rubber strap system is practical and comfortable, and the titanium case is highly resistant to scratches and corrosion compared to steel alternatives.

5. What are the dial and case material details of this Hublot Big Bang Unico?
The 421.NX.1170.RX features a black open-worked dial with index and Arabic numeral hour markers, giving it excellent legibility alongside striking aesthetic depth. The case and bezel are both crafted from titanium, lending the watch a cohesive, monochromatic sport-luxury appearance.

6. Is the Hublot Big Bang Unico 421.NX.1170.RX a good buy, and how can I purchase it from Bizak & Co.?
The Big Bang Unico 421.NX.1170.RX is widely regarded as a strong value proposition in the in-house chronograph segment, offering genuine manufacture movement credentials in a brand-new titanium package. You can buy this reference directly through Bizak & Co. at bizakandco.com or by contacting our team for the best price and personalized assistance.

Certified Authenticity

Every watch is authenticated before delivery.

Real Family Business

You're buying from genuine people, 30 years in business.

Bizak & Co. Warranty

Every watch is checked by us before shipping.

5 Years Warranty

Our five-year Bizak & Co. warranty covers manufacturing defects affecting mechanical operation under normal use, starting on delivery. It is separate from any remaining manufacturer warranty.

Exclusions include accidental damage, misuse, water damage, cosmetic damage, normal wear, loss and theft. Coverage and service availability for vintage or modified watches are confirmed in writing before purchase.

Read the full warranty terms and service instructions. 

90-Day Returns for Store Credit

Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

Read eligibility, condition requirements, and exclusions.

Insured delivery

Insured shipping

U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

You might also like...

Customer Reviews

Read our reviews on Trustpilot

  • Great family business

    Great family business. They went out of their way to make my purchase go smoothly, they definitely earned my watch business!

    Paul

    Read on Trustpilot ↗
  • Good seller

    Good seller. Honest family

    Mateusz

    Read on Trustpilot ↗
  • Honest family company

    Honest family company. I’ve done business many times!

    Mollie

    Read on Trustpilot ↗
  • Trusted Seller

    Trusted Seller, Definitely recommend for all watches purchase!

    Consumer

    Read on Trustpilot ↗
  • Trusted and honest seller

    Trusted and honest seller. Deal with confidence.

    Jean Dib

    Read on Trustpilot ↗