Hublot Big Bang Unico SR-A By Samuel Ross All Black automatic rubber strap 42 mm

Big Bang Unico & Samuel Ross collaboration

Since its launch, the Big Bang Unico has established itself as one of Hublot’s creative pillars — a collection conceived as a field of experimentation where architecture, material, and mechanics interact freely. More than a simple chronograph, the Big Bang has become a platform for expression, capable of hosting strong collaborations while maintaining a clearly defined watchmaking identity.

The Big Bang Unico SR_A by Samuel Ross All Black 42 mm fits squarely within this dynamic. It marks the fourth collaboration between Hublot and British designer Samuel Ross, following three concept-driven Big Bang Tourbillon editions. With this new creation, Hublot and Samuel Ross choose to transpose this radical design language into a more accessible and wearable Big Bang Unico, without compromising on mechanical excellence.

Produced in a limited edition of 200 pieces, this Big Bang Unico SR_A embodies a refined meeting point between contemporary watchmaking and industrial design — conceived not as a stylistic exercise, but as a true watch of character, designed to be worn and lived with.

Design & architecture: the Big Bang reinterpreted

The Big Bang Unico SR_A by Samuel Ross All Black 42 mm offers a radical reinterpretation of the Big Bang architecture, faithful to the British designer’s industrial and sculptural universe. The case silhouette adopts an elongated, stratified form, in which each layer contributes to an architectural reading of the whole — closer to a design object than to a simple aesthetic variation.

The bezel and case have been redesigned, introducing angular volumes and taut lines that evoke almost architectural forms. The All Black monochrome reinforces this approach by emphasizing textures and surface treatments rather than color contrasts. Black-plated titanium elements integrated into the bezel punctuate the composition without disrupting the overall harmony.

The skeletonized dial reveals the mechanics of the Unico chronograph, becoming a central design element. The circular hour markers echo the Big Bang’s iconic screws, while the skeletonized date integrates discreetly into the composition. Samuel Ross’s signature honeycomb motif extends notably onto the strap, ensuring graphic coherence between the case and the wrist presence.

Proportions & wrist presence

With a diameter of 42 mm, the Big Bang Unico SR_A by Samuel Ross adopts proportions designed to make this radical design more wearable on a daily basis. This slightly more compact format than some Big Bang Unico models preserves a strong presence while offering improved balance on the wrist.

The thickness of 14.5 mm is explained by the complexity of the case architecture and the integration of the manufacture Unico chronograph. The deliberately elongated and layered silhouette accentuates the sculptural dimension of the watch, giving it a strong visual identity that is immediately perceptible.

With water resistance to 100 meters, the Big Bang Unico SR_A remains a true sports watch, designed for everyday wear despite its highly distinctive character. More than a simple accessory, it asserts itself as a bold statement piece, conceived for those seeking a watch with a unique and instantly recognizable presence.

In-house Unico HUB1280 movement

The Big Bang Unico SR_A by Samuel Ross All Black 42 mm is powered by the in-house HUB1280 Unico caliber, the mechanical cornerstone of the Big Bang Unico collection. Designed and assembled within the Hublot manufacture in Nyon, this automatic chronograph movement was conceived from the outset for skeletonized display, perfectly aligned with the open aesthetic of this model.

Equipped with a column wheel visible on the dial side, the Unico caliber delivers precise and smooth chronograph actuation, enhanced by the flyback function, which allows an instant restart of a chronograph measurement. It operates at a frequency of 4 Hz (28,800 vibrations per hour) and offers a power reserve of approximately 72 hours, ensuring autonomy and stability for everyday use.

The HUB1280 also incorporates a silicon escapement, contributing to the movement’s long-term reliability and consistency. Here, the mechanics are not concealed; they become a central element of the design, establishing a direct dialogue between watchmaking performance and contemporary expression, true to the Big Bang spirit.

Materials & textures: All Black as a language

The Big Bang Unico SR_A by Samuel Ross All Black 42 mm employs black monochrome as a true design language rather than a purely aesthetic choice. The case is crafted in black ceramic, alternating satin-brushed and polished finishes to reveal the complexity of its volumes and emphasize the stratified construction specific to this collaboration.

Black-plated titanium elements punctuate the bezel and case, introducing subtle contrasts in texture and material without breaking the overall harmony. This approach highlights surface work, depth of black tones, and the architectural reading of the case — a signature of Samuel Ross’s universe.

Here, All Black is not decorative, but structural. It focuses attention on form, mechanics, and design details, while delivering the technical advantages of ceramic: scratch resistance, color stability, and long-term durability. A radical and coherent interpretation of Hublot’s Art of Fusion.

Strap & functionality

The Big Bang Unico SR_A by Samuel Ross All Black 42 mm is fitted with a structured black rubber strap incorporating the designer’s signature honeycomb motif. This alveolar pattern extends the case’s visual identity and reinforces the graphic coherence of the whole, while ensuring flexibility and comfort on the wrist.

The strap is equipped with the One Click quick-change system, allowing tool-free strap replacement in just a few seconds while integrating discreetly into the watch’s architecture. The black ceramic and black-plated titanium deployant clasp ensures a secure and precise fit, even during prolonged wear.

With water resistance to 100 meters, this Big Bang Unico SR_A retains genuine versatility of use. Despite its radical, sculptural design, it remains a functional sports watch, conceived for everyday wear by enthusiasts of statement timepieces and strong watchmaking collaborations.

Limited edition of 200 pieces

Produced in a limited edition of only 200 pieces, the Big Bang Unico SR_A by Samuel Ross All Black 42 mm is aimed at collectors and enthusiasts of contemporary watchmaking collaborations. This controlled rarity underscores the project’s exclusive character, while maintaining sufficient production to fully express Samuel Ross’s creative vision within the Big Bang Unico collection.

Straddling the line between a collectible object and a statement watch designed to be worn, this limited edition embodies a modern approach to exclusivity, faithful to Hublot’s spirit and the universe of the British designer.