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Hublot Big Bang Unico King Gold 44mm 421.OX.1180.RX - BRAND NEW

Hublot Big Bang Unico King Gold 44mm 421.OX.1180.RX - BRAND NEW Hublot Big Bang Unico King Gold 44mm…

Reference 421.OX.1180.RX

Full watch configuration

Hublot Big Bang Unico King Gold 44mm 421.OX.1180.RX - BRAND NEW

$44,999.00
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 King Gold 44mm 421.OX.1180.RX - BRAND NEW

Hublot Big Bang Unico King Gold 44mm 421.OX.1180.RX - BRAND NEW

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Hublot Big Bang Unico King Gold 44mm 421.OX.1180.RX - BRAND NEW

Catalogue watch price: $44,999.00 USD

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The Hublot Big Bang Unico 421.OX.1180.RX is a brand-new 44mm automatic chronograph crafted in Hublot's proprietary King Gold alloy, featuring a striking black dial with index and Arabic numeral markers, a matching King Gold bezel, and a rubber strap. This reference embodies the bold, avant-garde spirit that has made the Big Bang one of the most recognizable luxury sport watches in the world.

What sets reference 421.OX.1180.RX apart is the harmonious pairing of warm King Gold — Hublot's exclusive 18k rose gold enriched with platinum for enhanced hardness and a deeper hue — with a contrasting black dial and the comfort of a rubber strap, delivering both opulence and wearability. Contact Bizak & Co. today to purchase this stunning Hublot Big Bang Unico at the best price or browse our full collection online.

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

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The Hublot Big Bang Unico 421.OX.1180.RX stands as one of the most compelling expressions of the Big Bang family, marrying the house's signature Art of Fusion philosophy with the warm, distinctive allure of King Gold. Introduced as the flagship of Hublot's sporty-luxe universe, the Big Bang line redefined what a luxury sport watch could be — bold in proportion, innovative in material, and uncompromising in horological ambition.

At 44mm, this reference occupies the sweet spot of the Big Bang Unico range, commanding immediate wrist presence without sacrificing comfort. The King Gold case is no ordinary precious metal: Hublot developed this proprietary alloy by enriching 18k rose gold with platinum, producing a material that is measurably harder than standard rose gold, more resistant to scratching, and noticeably deeper and warmer in color. The result is a timepiece that wears its luxury visibly and durably.

The black dial of reference 421.OX.1180.RX creates a dramatic canvas against the King Gold case. Index and Arabic numeral markers are arranged for maximum legibility, a hallmark of Hublot's design language that keeps the dial functional even as it remains visually arresting. The skeletonized or layered architecture typical of the Unico family allows glimpses of movement architecture beneath, blending transparency with tradition.

The Big Bang Unico is powered by an automatic chronograph movement developed and manufactured in-house by Hublot — a significant point of pride for a brand that has invested heavily in vertical integration. The Unico caliber features a column-wheel chronograph mechanism and a flyback function, engineered for precision and longevity. The movement is visible through the sapphire case back, inviting the wearer to appreciate the mechanical craft within.

A rubber strap completes the package, a deliberate choice that underscores Hublot's conviction that the finest materials need not be confined to metal or leather. Hublot pioneered the integration of vulcanized rubber into haute horlogerie, and on the 421.OX.1180.RX it provides a supple, secure fit that makes this King Gold chronograph as comfortable during an active day as it is commanding at a formal occasion.

At Bizak & Co., we offer this brand-new Hublot Big Bang Unico 421.OX.1180.RX at the best available price, backed by our commitment to authenticity, transparency, and expert service. Whether you are buying your first Hublot or adding a definitive King Gold reference to an established collection, our team is ready to guide you. Reach out or buy online today to make this extraordinary timepiece yours.

Technical Details
Reference
421.OX.1180.RX
Model
Big Bang Unico
Movement
Automatic
Case material
Rose Gold
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.OX.1180.RX special?
Reference 421.OX.1180.RX combines Hublot's exclusive King Gold alloy — a harder, deeper-hued proprietary 18k rose gold enriched with platinum — with a bold black dial and an in-house automatic chronograph movement. This pairing of precious material, striking aesthetics, and manufacture horology distinguishes it within the Big Bang lineup.

2. What movement powers the Hublot Big Bang Unico 421.OX.1180.RX?
The Big Bang Unico is powered by Hublot's in-house automatic chronograph caliber, the Unico movement, which features a column-wheel mechanism and flyback chronograph function. It is visible through the sapphire exhibition case back, showcasing the manufacture's craftsmanship.

3. What is the case size of the Hublot Big Bang Unico 421.OX.1180.RX?
This reference features a 44mm case crafted in Hublot's proprietary King Gold alloy. The 44mm diameter delivers strong wrist presence consistent with the bold, sporty-luxe identity of the Big Bang family.

4. Is the Hublot Big Bang Unico 421.OX.1180.RX suitable for everyday wear?
Yes — despite its luxurious King Gold construction, the rubber strap and robust case make this watch practical for daily wear. King Gold's enhanced hardness also offers better scratch resistance than standard rose gold, adding to its long-term durability.

5. What is King Gold and how does it affect the dial and case appearance?
King Gold is Hublot's proprietary 18k rose gold alloy, enriched with platinum to increase hardness and deepen the warm, reddish hue beyond that of conventional rose gold. On reference 421.OX.1180.RX, the King Gold case and bezel create a rich, warm contrast against the black dial, giving the watch a distinctly opulent character.

6. Is the Hublot Big Bang Unico 421.OX.1180.RX a good buy, and how can I purchase it from Bizak & Co.?
As a brand-new example of one of Hublot's most celebrated in-house chronograph references in a sought-after King Gold configuration, the 421.OX.1180.RX represents strong value for collectors and enthusiasts alike. You can buy it online at bizakandco.com or contact our team directly to discuss pricing, availability, and shipping.

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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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