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

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.