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Hublot Big Bang Chronograph Reloaded Blue Ceramic 44mm Matte Grey Skeleton Dial 421.EX.5129.NR.RLD

Hublot Big Bang Chronograph Reloaded Blue Ceramic 44mm Matte Grey Skeleton Dial 421.EX.5129.NR.RLD Hublot Big Bang Chronograph Reloaded Blue Ceramic…

Reference 421.EX.5129.NR.RLD

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Hublot Big Bang Chronograph Reloaded Blue Ceramic 44mm Matte Grey Skeleton Dial 421.EX.5129.NR.RLD

$19,800.00

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 Chronograph Reloaded Blue Ceramic 44mm Matte Grey Skeleton Dial 421.EX.5129.NR.RLD

Hublot Big Bang Chronograph Reloaded Blue Ceramic 44mm Matte Grey Skeleton Dial 421.EX.5129.NR.RLD

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Hublot Big Bang Chronograph Reloaded Blue Ceramic 44mm Matte Grey Skeleton Dial 421.EX.5129.NR.RLD

Catalogue watch price: $19,800.00 USD

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The Hublot Big Bang Chronograph Reloaded 421.EX.5129.NR.RLD is a bold 44mm blue ceramic timepiece featuring a matte grey skeleton dial with grey index and Arabic numeral hour markers, a titanium and ceramic bezel, and a fabric-rubber strap. Available at Bizak and Co., this striking reference embodies Hublot's hallmark fusion philosophy in a highly wearable yet dramatically styled package.

Reference 421.EX.5129.NR.RLD stands out for the contrast between its electric blue ceramic case and the raw, industrial character of the matte grey skeletonized dial, making it one of the most visually distinctive Big Bang variants on the market. Contact Bizak and Co. today to purchase this watch online or inquire about pricing and availability.

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

Buy this Big Bang Chronograph Reloaded, 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 Chronograph Reloaded 421.EX.5129.NR.RLD is one of the most compelling expressions of the Big Bang family, a collection that since its debut in 2005 has redefined what a luxury sports chronograph can look like. Hublot's Art of Fusion philosophy—combining unexpected materials, bold geometry, and high-complication movements—reaches a vivid peak in the Reloaded series, which revisits and refreshes iconic Big Bang color and material combinations with modern manufacturing precision. This reference captures that spirit completely, pairing a striking blue ceramic case with raw, industrial detailing that speaks directly to collectors who want a watch that commands attention on and off the wrist.

At 44mm, the Big Bang Chronograph Reloaded occupies the sweet spot of the Big Bang size range, large enough to assert its presence without overwhelming even a medium-sized wrist. The case is crafted entirely in blue ceramic, a material prized in fine watchmaking for its exceptional scratch resistance, low weight relative to steel, and the depth of color that only sintered ceramic can achieve. The case architecture is unmistakably Big Bang—its multi-part, porthole-inspired construction with exposed screws and integrated lug system gives the watch a technical, almost industrial aesthetic that sets it apart from conventional luxury chronographs.

The matte grey skeleton dial is the visual centerpiece of reference 421.EX.5129.NR.RLD. Skeletonization reveals the movement architecture beneath, turning the dial itself into a kinetic, three-dimensional display of watchmaking craft. Grey index markers and Arabic numerals provide legibility against the open-worked surface, while the chronograph subdials are integrated naturally into the layout. The result is a dial that rewards close inspection without sacrificing readability at a glance—a balance that is genuinely difficult to achieve in skeleton design.

The bezel combines titanium and ceramic elements, a pairing that exemplifies Hublot's material fusion ethos and adds tactile contrast to the wrist experience. The watch is delivered on a fabric and rubber composite strap, a combination that is both comfortable for extended wear and aesthetically coherent with the watch's high-tech character. Hublot's proprietary one-click strap system, standard across the Big Bang line, means the bracelet can be swapped easily, giving the owner flexibility to personalize the look over time.

Powering the watch is an automatic chronograph movement, consistent with the caliber family Hublot deploys throughout the Big Bang Chronograph collection, offering the reliability and finishing quality expected at this price point. At Bizak and Co., we specialize in sourcing and presenting exceptional references like the 421.EX.5129.NR.RLD for discerning buyers across the United States. Browse our collection online at bizakandco.com or reach out directly to our team to secure this watch today.

Technical Details
Reference
421.EX.5129.NR.RLD
Model
Big Bang Chronograph Reloaded
Movement
Automatic
Case material
Ceramic
Bracelet material
Rubber
Dial
Matte grey skeleton
Case size
44mm
FAQ

1. What makes the Hublot Big Bang Chronograph Reloaded 421.EX.5129.NR.RLD special?
The 421.EX.5129.NR.RLD stands out for its rare combination of a blue ceramic 44mm case and a matte grey skeletonized dial, a pairing that makes it one of the most visually distinctive references in the Big Bang Chronograph lineup. The Reloaded designation signals a purposeful reimagining of classic Big Bang design codes with bold material and color choices that resonate strongly with collectors.

2. What movement powers the Hublot Big Bang Chronograph Reloaded 421.EX.5129.NR.RLD?
This reference is powered by an automatic chronograph movement in keeping with the caliber family Hublot uses throughout the Big Bang Chronograph collection. The skeletonized dial allows the wearer to observe the movement's architecture directly through the open-worked dial surface.

3. What is the case size and case material of reference 421.EX.5129.NR.RLD?
The case measures 44mm in diameter and is crafted in blue ceramic, a material valued for its exceptional scratch resistance, lightweight feel, and the rich, uniform color depth that only sintered ceramic can produce. The 44mm size is the classic Big Bang dimension, offering strong wrist presence without feeling unwieldy.

4. Is the Hublot Big Bang Reloaded 421.EX.5129.NR.RLD suitable for everyday wear?
Yes, the blue ceramic case is highly resistant to everyday scratches and surface wear, making it a practical choice for regular use as well as special occasions. The fabric and rubber strap adds comfort during extended wear, and the robust Big Bang case construction is designed to handle an active lifestyle.

5. What does the dial look like on the 421.EX.5129.NR.RLD?
The dial is a matte grey skeleton design featuring open-worked architecture that exposes the movement beneath, with grey index markers and Arabic numerals for legibility. The combination of the matte grey finish against the blue ceramic case creates a striking high-contrast aesthetic that is one of the defining visual hallmarks of this reference.

6. Is the 421.EX.5129.NR.RLD a good buy and how can I purchase it from Bizak and Co.?
Reserve this watch online with a $200 deposit. You can buy the Hublot Big Bang Chronograph Reloaded 421.EX.5129.NR.RLD online at bizakandco.com or contact our team directly for pricing, availability, and any questions about the watch.

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

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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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