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Hublot Shaped Square Bang Unico Titanium 42 mm 821.NX.0170.RX - BRAND NEW

Hublot Shaped Square Bang Unico Titanium 42 mm 821.NX.0170.RX - BRAND NEW Hublot Shaped Square Bang Unico Titanium 42…

Reference 821.NX.0170.RX

Full watch configuration

Hublot Shaped Square Bang Unico Titanium 42 mm 821.NX.0170.RX - BRAND NEW

$21,499.00
Requested condition
Brand New
Requested accessories
Full Set

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 Shaped Square Bang Unico Titanium 42 mm 821.NX.0170.RX - BRAND NEW

Hublot Shaped Square Bang Unico Titanium 42 mm 821.NX.0170.RX - BRAND NEW

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Hublot Shaped Square Bang Unico Titanium 42 mm 821.NX.0170.RX - BRAND NEW

Catalogue watch price: $21,499.00 USD

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The Hublot Square Bang Unico 821.NX.0170.RX is a brand-new 42mm titanium automatic watch featuring a bold square case, black index dial, titanium bezel, and black rubber strap. This reference sits at the intersection of Hublot's avant-garde design philosophy and its in-house Unico movement manufacture, making it one of the most distinctive pieces in the current Big Bang family. The lightweight titanium construction keeps the wrist presence comfortable despite the striking architectural geometry.

What sets the 821.NX.0170.RX apart is the rare square tonneau silhouette that Hublot introduced to challenge the round-case orthodoxy, paired with the proven performance of the Unico caliber and the sporty versatility of the black rubber strap. Available brand new at Bizak & Co., this reference represents an exceptional opportunity to acquire a contemporary collector's piece backed by our expert authentication and service. Contact Bizak today to secure yours or browse our full Hublot inventory online.

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

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The Hublot Square Bang Unico 821.NX.0170.RX is one of the most architecturally ambitious references the Geneva-based manufacture has ever produced. While Hublot built its global reputation on the round Big Bang and Classic Fusion lines, the Square Bang Unico stakes an entirely different claim — a bold, rectilinear case that reframes what a luxury sport watch can look like in the modern era. For collectors who want something genuinely different from the sea of round-cased chronographs, this 42mm titanium piece is a statement that commands attention.

The 42mm titanium case of the 821.NX.0170.RX strikes a precise balance between commanding presence and everyday wearability. Titanium is prized in watchmaking for being roughly 30 percent lighter than steel at comparable strength, meaning the Square Bang's bold square geometry never becomes burdensome on the wrist. The satin and polished finishing on the case surfaces catches light from multiple angles, giving the watch a dynamic visual quality that shifts throughout the day.

The black index dial inside the Square Bang Unico is a study in legible, purposeful design. Hour markers are applied with precision against the dark backdrop, ensuring the time can be read at a glance even at difficult angles. The dial architecture is further animated by the movement visible through the openwork sections, connecting the wearer directly to the mechanical activity beating beneath the surface — a hallmark of Hublot's design language since the brand's earliest collaborations with watchmaking talent.

Powering the 821.NX.0170.RX is Hublot's in-house Unico manufacture caliber, an automatic movement that the brand developed to bring genuine horological credibility to its lineup. The Unico is widely recognized among enthusiasts as a serious manufacture movement, featuring a column-wheel chronograph architecture and a distinctive lateral clutch mechanism that has earned respect from the independent watchmaking community. The titanium bezel frames the square sapphire crystal and reinforces the monochromatic, sports-tool aesthetic that makes this reference equally at home at a boardroom lunch or a weekend adventure.

The black rubber strap completes the sportif proposition of the 821.NX.0170.RX. Hublot's rubber straps are engineered to be supple, durable, and resistant to perspiration and UV degradation — practical virtues that match the titanium case's resistance to corrosion and everyday wear. The quick-change strap system common to Hublot's line means the owner can personalize the look with alternative straps without tools, a thoughtful touch for collectors who like flexibility.

At Bizak & Co., we offer this Hublot Square Bang Unico 821.NX.0170.RX brand new, fully authenticated, and supported by our team's deep expertise in luxury timepieces. Buying from Bizak means working with knowledgeable specialists who stand behind every watch they sell, providing peace of mind alongside an exceptional price. We invite you to contact us directly or shop online at bizakandco.com to learn more, request additional photographs, or make this remarkable Hublot yours today.

Technical Details
Reference
821.NX.0170.RX
Model
Square Bang Unico
Movement
Automatic
Case material
Titanium
Bracelet material
Rubber
Dial
Black with index hour markers
Case size
42mm
Requested condition
Brand New
Requested accessories
Full Set
FAQ

1. What makes the Hublot Square Bang Unico 821.NX.0170.RX special?
The 821.NX.0170.RX stands out for its bold 42mm square titanium case, which sets it apart from virtually every other luxury sport watch on the market. Paired with Hublot's in-house Unico manufacture movement and a black index dial, it offers a combination of genuine horological credibility and avant-garde design that few references can match. It is a genuine collector's conversation piece as well as a daily-wear capable timepiece.

2. What movement powers the Hublot Square Bang Unico?
The Square Bang Unico line is powered by Hublot's in-house Unico manufacture automatic caliber, a movement the brand developed internally to bring serious watchmaking depth to its sport collection. The Unico features a column-wheel chronograph mechanism and a lateral clutch, earning respect among enthusiasts for its technical architecture. Specific power reserve and jewel count details for this reference should be confirmed with Bizak or the current Hublot documentation.

3. What is the case size of the Hublot Square Bang Unico 821.NX.0170.RX?
The reference 821.NX.0170.RX features a 42mm titanium case in the distinctive square format that defines the Square Bang Unico line. The lightweight nature of titanium ensures that despite the architectural proportions, the watch sits comfortably on a wide range of wrist sizes. This size strikes a deliberate balance between bold visual impact and practical everyday wearability.

4. Is the Hublot Square Bang Unico 821.NX.0170.RX good for everyday wear?
Yes — the titanium case resists corrosion and is significantly lighter than steel, making it comfortable for extended daily wear despite its striking square proportions. The black rubber strap is engineered for durability and is resistant to perspiration and UV exposure, further supporting an active lifestyle. This reference is equally suited to formal and casual environments, giving the owner genuine versatility.

5. What is the dial like on the 821.NX.0170.RX?
The dial on the 821.NX.0170.RX is black with applied index hour markers, creating a clean, highly legible face that contrasts sharply with the titanium case and bezel. The openwork dial elements allow a view into the Unico movement beneath, blending sportif aesthetics with mechanical transparency in a way that is characteristic of Hublot's design language. The overall effect is modern, bold, and unmistakably purposeful.

6. How can I buy the Hublot Square Bang Unico 821.NX.0170.RX from Bizak & Co.?
You can purchase the brand-new Hublot Square Bang Unico 821.NX.0170.RX directly through bizakandco.com or by contacting the Bizak & Co. team for a personalized consultation. Every watch we sell is fully authenticated by our specialists, and we are happy to provide additional photographs, provenance details, or answer any questions before you commit. Reach out today to secure this reference at the best price with the confidence of buying from a trusted luxury watch dealer.

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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.

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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.

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