Hublot Big Bang Unico GMT King Gold Blue Ceramic 45mm 471.OL.7128.RX

The Hublot Big Bang Unico GMT King Gold Blue Ceramic, reference 471.OL.7128.RX, is one of the most boldly conceived pieces in modern haute horlogerie — a 45mm statement watch that fuses cutting-edge materials science with Hublot's philosophy of the Art of Fusion. Launched as part of the celebrated Big Bang Unico family, this reference pairs a King Gold case — Hublot's proprietary 18-karat rose gold alloy formulated to resist scratching and maintain its warm luster longer than standard gold — with a deep blue ceramic bezel that delivers both visual drama and exceptional hardness. The result is a watch that reads as simultaneously precious and indestructible.

The Big Bang line has anchored Hublot's identity as a disruptive luxury watchmaker since its debut in 2005, and the Unico subfamily elevated that proposition further by housing an in-house developed movement — a significant milestone for the brand. The GMT complication adds genuine travel utility to the collection's sporty DNA, allowing the wearer to track a second time zone at a glance, a feature that resonates with the international lifestyle Hublot has always targeted. Reference 471.OL.7128.RX sits at the intersection of complication, material innovation, and design audacity.

The dial of the 471.OL.7128.RX is an exercise in architectural transparency. The skeleton treatment opens up the movement to full view, allowing the mechanical architecture to serve as its own decoration, while index and Arabic numeral markers maintain legibility without cluttering the composition. The interplay between the warm King Gold sub-dial bridges and plates and the cool blue tones of the ceramic bezel creates a chromatic tension that is unmistakably Hublot and highly desirable on the secondary and primary market alike.

At 45mm, this reference commands wrist presence with authority. The Big Bang case architecture — its porthole-inspired bezel screws, H-shaped case flanks, and integrated lug design — is instantly recognizable and remains one of the most iconic silhouettes in contemporary watchmaking. The rubber strap maintains the sporty, wearable character that makes a watch of this complexity approachable as an everyday companion, offering both comfort and durability whether worn in the boardroom or on the move.

Buying reference 471.OL.7128.RX from Bizak & Co. means acquiring a brand-new example complete with original box and papers, ensuring full manufacturer warranty coverage and complete provenance. Bizak & Co. specializes in sourcing and presenting new and pre-owned luxury timepieces at competitive prices, backed by expert authentication and professional service. Whether you are adding to a Hublot collection or purchasing your first Big Bang, this is a rare opportunity to own one of the line's most coveted material-and-complication combinations — contact us today or buy online at bizakandco.com.