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Hublot Big Bang Unico Green Saxem 42mm 441.JG.4990.RT - BRAND NEW

Hublot Big Bang Unico Green Saxem 42mm 441.JG.4990.RT - BRAND NEW Hublot Big Bang Unico Green Saxem 42mm…

Reference 441.JG.4990.RT

Full watch configuration

Hublot Big Bang Unico Green Saxem 42mm 441.JG.4990.RT - BRAND NEW

$97,199.00
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 Green Saxem 42mm 441.JG.4990.RT - BRAND NEW

Hublot Big Bang Unico Green Saxem 42mm 441.JG.4990.RT - BRAND NEW

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Hublot Big Bang Unico Green Saxem 42mm 441.JG.4990.RT - BRAND NEW

Catalogue watch price: $97,199.00 USD

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The Hublot Big Bang Unico Green Saxem 441.JG.4990.RT is a brand-new 42mm automatic watch built around a striking full sapphire case and featuring a black dial with index and Arabic numeral markers on a black rubber strap. Green Saxem — Hublot's proprietary gemstone material — gives this reference its vivid color saturation and extraordinary hardness, setting it apart from any conventional colored ceramic or titanium Big Bang.

Few watches in the modern luxury space combine high-horology movement architecture with avant-garde materials science the way this reference does, making the 441.JG.4990.RT one of the most collectible Big Bang variants available today. Contact Bizak & Co. to buy this Hublot Big Bang Unico Green Saxem online or inquire about pricing and availability.

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 Green Saxem 441.JG.4990.RT is one of the most visually arresting references in Hublot's contemporary lineup — a 42mm showpiece that marries the brand's signature skeleton-friendly architecture with an entirely transparent sapphire case structure set against the luminous green of Saxem, Hublot's patented semi-precious stone composite. First unveiled as part of Hublot's ongoing mission to push material boundaries, the Big Bang Unico family has become the standard-bearer for bold, high-complication sports-luxury watches, and the Green Saxem variant elevates that legacy into the realm of wearable art.

Saxem itself is a proprietary Hublot material — a semi-precious stone composed of aluminum oxide crystals enriched with chromium and other rare elements to produce a vivid, saturated green color with hardness approaching that of sapphire. Unlike ceramic colorways that rely on surface finishing, Saxem's color runs through the material, meaning it resists chipping and fading under daily wear conditions. Combined with the full sapphire crystal case of the 441.JG.4990.RT, the result is a watch that refracts and transmits light in a way no conventional case material can replicate.

The 42mm case size is Hublot's sweet spot for the Big Bang Unico — substantial enough to display the skeletonized dial architecture with full visual impact, yet more refined on the wrist than the larger 45mm variant. The black dial with index and Arabic numeral markers provides essential legibility against the green and transparent backdrop, while the integrated black rubber strap grounds the high-tech materials in the sporty-luxury DNA that defines the Big Bang family. Every element reinforces the same design philosophy: the Art of Fusion.

Powering this reference is Hublot's in-house automatic movement, visible through the open-worked dial and the transparent sapphire case. The skeletonized architecture is not merely aesthetic — it is a deliberate statement of manufacture pride, exposing the movement's bridges, gears, and oscillating weight to showcase the watchmaking craft within. The Unico designation signals that the movement is fully developed and produced by Hublot's own manufacture, a distinction that matters deeply to serious collectors.

On the wrist, the Big Bang Unico Green Saxem 441.JG.4990.RT commands immediate attention. The interplay of transparent sapphire, vivid Saxem green, and the dark dial creates a depth effect that changes with ambient light — from bold statement piece under gallery lighting to subtly luminous in natural daylight. It is equally at home at a collector's event, a luxury gala, or a sophisticated casual setting. This is not an everyday tool watch; it is a conversation piece for the discerning collector who appreciates both materials innovation and watchmaking mastery.

Bizak & Co. offers this Hublot Big Bang Unico Green Saxem 441.JG.4990.RT brand new, sourced through authorized channels to ensure full manufacturer integrity. Whether you are buying your first Hublot or adding a trophy reference to a mature collection, our team provides the expertise, transparency, and personal service that luxury watch buyers deserve. Contact us today to purchase the 441.JG.4990.RT online or to speak with a specialist about this exceptional timepiece.

Technical Details
Reference
441.JG.4990.RT
Model
Big Bang Unico
Movement
Automatic
Case material
Sapphire
Bracelet material
Rubber
Dial
Black with index and Arabic numeral markers
Case size
42mm
Requested condition
Brand New
FAQ

1. What makes the Hublot Big Bang Unico Green Saxem 441.JG.4990.RT special?
The 441.JG.4990.RT combines Hublot's proprietary Saxem semi-precious green stone with a full sapphire case, creating a watch that transmits and refracts light in a way no conventional material can. The Saxem material's color runs through the composite rather than sitting on the surface, ensuring lasting vibrancy and hardness close to that of sapphire itself. It is one of the most distinctive and collectible variants in the entire Big Bang Unico lineup.

2. What movement powers the Hublot Big Bang Unico Green Saxem?
The Big Bang Unico 441.JG.4990.RT is powered by Hublot's in-house automatic manufacture movement, as indicated by the Unico designation. The movement is visible through the skeletonized dial and the transparent sapphire case, showcasing the open-worked architecture that is a hallmark of the Unico family. Hublot develops and produces Unico movements entirely within its own manufacture facilities.

3. What is the case size of the Hublot Big Bang Unico Green Saxem?
The 441.JG.4990.RT measures 42mm in diameter, which is the mid-size option in the Big Bang Unico collection. This size offers strong wrist presence and excellent dial legibility without the full bulk of the 45mm variant. It suits a wide range of wrist sizes while still delivering the visual impact the Big Bang is known for.

4. Is the Hublot Big Bang Unico Green Saxem suitable for everyday wear?
This reference is best described as a statement collector's piece rather than a utilitarian daily driver. The sapphire case and Saxem materials are extremely hard and durable, but the watch's visual complexity and price point make it most at home at special occasions, collector events, or sophisticated social settings. Buyers who appreciate avant-garde luxury watchmaking will find it a rewarding and frequently admired companion.

5. What is the dial and case material of the 441.JG.4990.RT?
The case is constructed from Hublot's full sapphire crystal, providing a transparent structure that exposes the movement and the green Saxem material at every angle. The dial is black with index and Arabic numeral markers, offering legibility against the open-worked, light-transmitting case. The Saxem bezel adds the signature vivid green color that gives this reference its name.

6. How can I buy the Hublot Big Bang Unico Green Saxem 441.JG.4990.RT from Bizak & Co.?
The 441.JG.4990.RT is available brand new at Bizak & Co. and can be purchased directly through bizakandco.com or by contacting our team of watch specialists. We source our inventory through trusted channels to ensure authenticity and full manufacturer integrity on every timepiece. Reach out to us today to confirm availability, discuss pricing, or arrange a purchase for this exceptional Hublot reference.

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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.

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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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