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Hublot Big Bang Unico Integrated Green Ceramic 42mm 451.GX.5220.GX - BRAND NEW

Hublot Big Bang Unico Integrated Green Ceramic 42mm 451.GX.5220.GX - BRAND NEW Hublot Big Bang Unico Integrated Green Ceramic…

Reference 451.GX.5220.GX

Full watch configuration

Hublot Big Bang Unico Integrated Green Ceramic 42mm 451.GX.5220.GX - BRAND NEW

$21,699.00
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 Integrated Green Ceramic 42mm 451.GX.5220.GX - BRAND NEW

Hublot Big Bang Unico Integrated Green Ceramic 42mm 451.GX.5220.GX - BRAND NEW

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Hublot Big Bang Unico Integrated Green Ceramic 42mm 451.GX.5220.GX - BRAND NEW

Catalogue watch price: $21,699.00 USD

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The Hublot Big Bang Unico Integrated Green Ceramic 451.GX.5220.GX is a brand-new 42mm fully integrated ceramic sports watch featuring a vivid green index dial, ceramic bezel, and matching ceramic bracelet. This reference represents Hublot's bold commitment to monochromatic, high-performance ceramic construction delivered in a striking all-green aesthetic.

What sets the 451.GX.5220.GX apart is its seamless fusion of avant-garde design and technical mastery — from the scratch-resistant ceramic case to the coordinated green dial and bracelet — making it one of the most visually commanding pieces in the Big Bang lineup. Contact Bizak & Co. today to purchase this brand-new reference at the best price or explore our full selection of 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.

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The Hublot Big Bang Unico Integrated Green Ceramic 451.GX.5220.GX is a definitive statement in modern luxury watchmaking — a bold, fully integrated 42mm timepiece constructed entirely from high-tech green ceramic, available brand new at Bizak & Co. Since its debut, the Big Bang collection has stood as Hublot's flagship expression of the brand's Art of Fusion philosophy, blending unconventional materials, audacious design, and Swiss mechanical precision into a cohesive and unmistakable identity. The Big Bang Unico takes that vision a step further by housing an in-house movement and presenting an architecture where case, bezel, and bracelet form one seamless sculptural object.

The ceramic used in the 451.GX.5220.GX is not an accent or a detail — it is the entire watch. Hublot produces this distinctive green ceramic through a complex sintering process, infusing colorant at a molecular level to achieve a hue that is extraordinarily resistant to fading. The result is a material that is lighter than steel, significantly harder than most conventional watch case materials, and virtually immune to the scratches and scuffs of daily wear. The deep, rich green finish is consistent across every surface — case, bezel, and integrated bracelet — giving the watch a monolithic, jewel-like presence on the wrist.

The 42mm case size of the Big Bang Unico sits at an ideal intersection of presence and wearability. Large enough to command attention and showcase Hublot's signature porthole-inspired case architecture, yet refined enough for a wider range of wrist sizes than the 45mm variants. The skeletonized or open-worked dial aesthetic typical of the Unico line allows the mechanical choreography of the movement within to punctuate the bold green canvas, while applied green indices maintain legibility and reinforce the watch's singular color story.

Powering the Big Bang Unico is an in-house automatic movement — a point of pride for Hublot, underscoring that the 451.GX.5220.GX is not merely a design exercise but a serious piece of horological engineering. Hublot's Unico calibers are developed, manufactured, and assembled in-house at their Nyon manufacture, representing a full-circle commitment to vertical integration that mirrors the watch's physical integration of bracelet and case. The movement is visible through the caseback, rewarding the wearer with a view of the movement's architecture.

For collectors and enthusiasts looking to buy a brand-new Hublot Big Bang Unico Green Ceramic 451.GX.5220.GX online, Bizak & Co. offers an unmatched combination of authenticity, competitive pricing, and expert guidance. Every timepiece sold through Bizak & Co. is verified for authenticity and presented in brand-new condition. Whether you are adding a cornerstone piece to a serious collection or seeking a singular everyday luxury sports watch, this reference delivers on every dimension. Reach out to our team at bizakandco.com to inquire, reserve, or purchase this exceptional Hublot today.

Technical Details
Reference
451.GX.5220.GX
Model
Big Bang Unico
Movement
Automatic
Case material
Ceramic
Bracelet material
Ceramic
Dial
Green Index
Case size
42mm
Requested condition
Brand New
FAQ

1. What makes the Hublot Big Bang Unico 451.GX.5220.GX special?
The 451.GX.5220.GX is a fully integrated monochromatic green ceramic watch, meaning the case, bezel, and bracelet are all crafted from the same high-tech green ceramic material. This seamless construction, combined with Hublot's in-house Unico movement, makes it one of the most technically and aesthetically ambitious references in the Big Bang lineup.

2. What movement powers the Hublot Big Bang Unico Green Ceramic?
The Big Bang Unico is powered by an in-house automatic Unico caliber developed and manufactured at Hublot's own manufacture, reflecting the brand's Art of Fusion philosophy of full vertical integration. The movement is visible through the exhibition caseback, showcasing Hublot's in-house horological craftsmanship.

3. What is the case size of the 451.GX.5220.GX?
This reference features a 42mm ceramic case, which offers a strong wrist presence while remaining more versatile in fit than the larger 45mm Big Bang variants. The 42mm size is widely regarded as the sweet spot in the Big Bang Unico collection for balancing boldness with everyday wearability.

4. Is the Hublot Big Bang Unico Green Ceramic suitable for everyday wear?
Yes — high-tech ceramic is exceptionally hard, scratch-resistant, and lightweight, making it an excellent material choice for daily wear. The integrated ceramic bracelet is also highly durable and comfortable, and the robust Unico movement is built to withstand the rigors of regular use.

5. What color is the dial on the 451.GX.5220.GX?
The dial features green indices on a green-toned open-worked face, continuing the all-green monochromatic design language across every element of the watch. This cohesive approach gives the piece its striking, jewel-like visual identity that distinguishes it within the Big Bang family.

6. How can I buy the Hublot Big Bang Unico 451.GX.5220.GX from Bizak & Co.?
You can purchase this brand-new Hublot Big Bang Unico Green Ceramic 451.GX.5220.GX directly through bizakandco.com, where it is offered at a competitive best price. Contact the Bizak & Co. team online or by phone to confirm availability, ask questions, or complete your purchase with confidence.

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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.

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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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