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Hublot Big Bang Unico Sapphire 42mm 441.JX.4802.RT - BRAND NEW

Hublot Big Bang Unico Sapphire 42mm 441.JX.4802.RT - BRAND NEW Hublot Big Bang Unico Sapphire 42mm 441.JX.4802.RT…

Reference 441.JX.4802.RT

Full watch configuration

Hublot Big Bang Unico Sapphire 42mm 441.JX.4802.RT - BRAND NEW

$75,199.00
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 Sapphire 42mm 441.JX.4802.RT - BRAND NEW

Hublot Big Bang Unico Sapphire 42mm 441.JX.4802.RT - BRAND NEW

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Hublot Big Bang Unico Sapphire 42mm 441.JX.4802.RT - BRAND NEW

Catalogue watch price: $75,199.00 USD

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The Hublot Big Bang Unico Sapphire 441.JX.4802.RT is a brand-new, limited-edition automatic skeleton watch housed in a striking 42mm all-sapphire crystal case, offering a fully transparent view of its architecture from every angle. The skeleton dial is accented with index and Arabic numeral hour markers, and the watch rides on a rubber strap that grounds the futuristic aesthetic in everyday wearability.

Reference 441.JX.4802.RT stands apart through its rare all-sapphire case construction — one of the most technically demanding materials in watchmaking — combined with Hublot's signature Unico movement architecture visible in full. Contact Bizak & Co. today to secure this limited-edition piece at the best price, or browse our full collection of luxury timepieces at bizakandco.com.

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

Buy this Big Bang Unico Sapphire, 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 Sapphire 441.JX.4802.RT is one of the most visually arresting expressions in the entire Big Bang lineup. Introduced as a limited edition, this 42mm timepiece encases its mechanical heart in a case machined entirely from scratch-resistant sapphire crystal — a material so hard and optically pure that it demands extraordinary precision to cut, drill, and polish. The result is a watch that seems to defy gravity, appearing almost as a floating mechanism on the wrist.

The Big Bang line has been the cornerstone of Hublot's identity since its debut in 2005, blending fine watchmaking with bold, architecture-forward design. The Unico designation signals the presence of Hublot's in-house movement, a significant development milestone for the brand that underlined its commitment to vertical integration and proprietary caliber engineering. The Sapphire variant takes that spirit of technical ambition even further, treating the case itself as an engineering statement.

The skeleton dial of reference 441.JX.4802.RT is not merely decorative — it is integral to the concept. Index markers and Arabic numerals provide practical legibility while the openworked movement architecture beneath draws the eye deep into the watch's mechanism. The sapphire crystal bezel frames this view without interruption, maintaining the all-transparent aesthetic that defines the piece.

On the wrist, the 42mm sapphire case delivers substantial presence without the heft of a metal case, as sapphire is lighter than most metals used in luxury watchmaking. The rubber strap — a hallmark Hublot material pairing — provides a secure, comfortable fit and reinforces the watch's sporty-luxury character. The contrast between the ultra-refined sapphire architecture and the tactile rubber strap is a deliberate Hublot design tension that has resonated strongly with collectors worldwide.

For collectors seeking a conversation piece that is simultaneously a feat of horological engineering and avant-garde design, the 441.JX.4802.RT is a compelling acquisition. Its limited-edition status means availability is finite. At Bizak & Co., we offer this reference brand new at a competitive price, backed by our commitment to authenticity and expert service. Reach out through bizakandco.com to inquire, reserve, or purchase this exceptional Hublot today.

Technical Details
Reference
441.JX.4802.RT
Model
Big Bang Unico Sapphire
Movement
Automatic
Case material
Sapphire
Bracelet material
Rubber
Dial
Skeleton with index and Arabic numerals
Case size
42mm
Requested condition
Brand New
FAQ

1. What makes the Hublot Big Bang Unico Sapphire 441.JX.4802.RT special?
The 441.JX.4802.RT is a limited-edition watch featuring a 42mm case machined entirely from sapphire crystal, one of the hardest and most optically pure materials used in watchmaking. Its fully transparent construction offers an unobstructed view of the skeleton movement from all sides, making it as much an objet d'art as a timepiece.

2. What movement powers the Big Bang Unico Sapphire 441.JX.4802.RT?
The watch is powered by an automatic movement consistent with the Unico designation, which refers to Hublot's in-house caliber family developed to showcase the brand's manufacture capabilities. The skeleton architecture of the dial allows the movement's construction to be admired in full through the sapphire case.

3. What is the case size of the Hublot Big Bang Unico Sapphire 441.JX.4802.RT?
Reference 441.JX.4802.RT measures 42mm in diameter, positioning it as a versatile mid-large size that offers strong wrist presence without being overpowering. The use of sapphire crystal for the case also keeps the overall weight lighter than a comparable metal-cased watch.

4. Is the Hublot Big Bang Unico Sapphire suitable for everyday wear?
While it is technically capable of daily wear, the 441.JX.4802.RT is best appreciated as a statement or special-occasion watch given its all-sapphire case and limited-edition nature. The rubber strap does contribute comfort and wearability, but collectors typically reserve such rare pieces for moments where the watch will be truly noticed.

5. What are the dial and case material details of the 441.JX.4802.RT?
The dial is skeletonized and features index and Arabic numeral hour markers for legibility against the open mechanical landscape beneath. The case, bezel, and case back are all crafted from sapphire crystal, giving the watch its signature all-transparent appearance that reveals the movement from every angle.

6. Is the Hublot Big Bang Unico Sapphire 441.JX.4802.RT a good buy, and how can I get one from Bizak & Co.?
As a brand-new, limited-edition reference from Hublot's most iconic line, the 441.JX.4802.RT represents strong collectible and aesthetic value — particularly as sapphire-case models have consistently attracted enthusiast demand. Visit bizakandco.com or contact our team directly to purchase this watch at the best price with full assurance of authenticity.

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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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