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Hublot Big Bang Unico Integrated Blue Indigo Ceramic 42mm 451.EX.5129.EX - BRAND NEW

Hublot Big Bang Unico Integrated Blue Indigo Ceramic 42mm 451.EX.5129.EX - BRAND NEW Hublot Big Bang Unico Integrated Blue Indigo…

Reference 451.EX.5129.EX

Full watch configuration

Hublot Big Bang Unico Integrated Blue Indigo Ceramic 42mm 451.EX.5129.EX - BRAND NEW

$18,399.00
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 Big Bang Unico Integrated Blue Indigo Ceramic 42mm 451.EX.5129.EX - BRAND NEW

Hublot Big Bang Unico Integrated Blue Indigo Ceramic 42mm 451.EX.5129.EX - BRAND NEW

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Hublot Big Bang Unico Integrated Blue Indigo Ceramic 42mm 451.EX.5129.EX - BRAND NEW

Catalogue watch price: $18,399.00 USD

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The Hublot Big Bang Unico 451.EX.5129.EX is a brand-new 42mm integrated ceramic chronograph featuring a striking blue indigo dial and a monochromatic full-ceramic case and bracelet. This reference exemplifies Hublot's mastery of advanced ceramic craftsmanship, delivering a bold yet refined wrist presence that is immediately recognizable.

Reference 451.EX.5129.EX stands out for its seamless all-ceramic construction—case, bezel, and bracelet in a unified indigo-toned composition—making it one of the most cohesive and visually arresting expressions in the Big Bang lineup. Contact Bizak & Co. today to purchase this reference at the best price or to learn more about availability.

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 Blue Indigo Ceramic, reference 451.EX.5129.EX, represents the pinnacle of Hublot's fusion philosophy—melding avant-garde materials science with in-house haute horlogerie. The Big Bang collection was introduced in the mid-2000s and rapidly became one of the most recognizable and commercially celebrated sport-luxury watch families in the world. The Unico designation signals the presence of Hublot's own manufacture movement, a point of pride for a brand that has invested heavily in vertical integration and independent watchmaking credibility.

The design language of this 42mm reference is defined by its total commitment to ceramic. Every major surface—the cushion-shaped case, the bezel with its distinctive H-shaped screws, and the fully integrated bracelet—is rendered in Hublot's high-tech ceramic, here expressed in a deep, immersive blue indigo tone. This monochromatic approach transforms what might otherwise be a complex, multi-component watch into a sculptural object of singular visual identity. The 42mm diameter hits a versatile sweet spot: substantial enough to command attention on the wrist, yet refined enough to suit a wide range of wearers and occasions.

The blue indigo dial anchors the design with depth and luminosity. Index hour markers are laid against the rich blue ground, providing legibility while preserving the watch's sleek, modern aesthetic. The Unico movement's signature skeletonized architecture is integrated into the dial design, connecting the wearer visually to the mechanical heart of the watch—a hallmark of the Big Bang Unico philosophy that blurs the boundary between dial and movement.

Hublot's high-tech ceramic is prized for properties that go well beyond aesthetics. The material is highly scratch-resistant, extraordinarily lightweight relative to steel, and hypoallergenic—qualities that translate directly into long-term wearability and enduring appearance. The integrated ceramic bracelet is engineered for comfort and security, hugging the wrist with a fluidity that belies the hardness of the material. Owning a fully ceramic Big Bang Unico is a statement about both taste and material intelligence.

The Unico manufacture movement powering this reference is a genuine in-house automatic chronograph caliber, developed and produced by Hublot. Its flyback chronograph function and column-wheel architecture place it firmly in the territory of serious complications, while the movement's partially open construction allows admiration of its engineering from the dial side.

At Bizak & Co., we specialize in sourcing and presenting brand-new and pre-owned luxury timepieces with full transparency and expert guidance. We invite you to contact our team directly to confirm availability, discuss pricing, or arrange a purchase—your next great watch is a conversation away.

Technical Details
Reference
451.EX.5129.EX
Model
Big Bang Unico
Movement
Automatic
Case material
Ceramic
Bracelet material
Ceramic
Dial
Blue indigo with index markers
Case size
42mm
Requested condition
Brand New
Requested accessories
Full Set
FAQ

1. What makes the Hublot Big Bang Unico 451.EX.5129.EX special?
Reference 451.EX.5129.EX is distinguished by its fully integrated all-ceramic construction in a deep blue indigo tone, covering the case, bezel, and bracelet in a seamless monochromatic design. Paired with Hublot's in-house Unico automatic chronograph movement, it combines advanced materials science with genuine manufacture horology. It is one of the most cohesive and visually striking expressions in the entire Big Bang lineup.

2. What movement powers the Hublot Big Bang Unico 451.EX.5129.EX?
This reference is powered by Hublot's proprietary Unico manufacture movement, an in-house automatic chronograph caliber developed and produced by Hublot. The movement features a flyback chronograph complication and column-wheel construction, and its architecture is partially visible through the dial for an engaging mechanical display. Specific caliber designation details should be confirmed with Bizak & Co. or Hublot directly.

3. What is the case size of the Hublot Big Bang Unico Blue Indigo Ceramic?
The Hublot Big Bang Unico 451.EX.5129.EX features a 42mm ceramic case, which is a versatile and popular size within the Big Bang collection. The 42mm diameter offers strong wrist presence while remaining wearable across a variety of wrist sizes. The full ceramic construction keeps the watch notably lightweight despite its bold dimensions.

4. Is the Hublot Big Bang Unico Blue Ceramic suitable for everyday wear?
Yes, the all-ceramic construction of the 451.EX.5129.EX makes it an excellent choice for regular wear, as high-tech ceramic is highly scratch-resistant, hypoallergenic, and lightweight. The integrated ceramic bracelet is engineered for comfort and durability, holding up well to daily use while maintaining its deep blue indigo finish. It is equally at home in a casual setting and as a statement piece for more formal occasions.

5. What is the dial and material like on the 451.EX.5129.EX?
The dial is finished in a rich blue indigo tone with index hour markers, providing clean legibility against the striking color. The case, bezel, and integrated bracelet are all crafted from Hublot's proprietary high-tech ceramic in the same blue indigo hue, creating a fully unified aesthetic. This monochromatic all-ceramic approach is one of the most sought-after design choices in the modern Big Bang collection.

6. Is the Hublot Big Bang Unico 451.EX.5129.EX a good buy, and how can I purchase it from Bizak & Co.?
Brand-new examples of this reference combine Hublot's manufacture movement credentials, cutting-edge ceramic technology, and a bold yet refined design that retains strong collector appeal. Reserve this watch online with a $200 deposit. Contact us directly through bizakandco.com to check current availability, confirm pricing, and complete your purchase with the guidance of our expert team.

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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.

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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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