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An iconic chronograph revisited through the Art of Fusion, the Big Bang Original Unico Titanium Ceramic 43 mm combines the lightness of titanium with the strength of black ceramic. Powered by the Unico HUB1280 manufacture caliber with flyback function, it embodies a modern, technical and assertive vision of the original Big Bang.
Big Bang Original Unico: the icon under controlled tension
Since its launch in 2005, the Hublot Big Bang has embodied a bold break with contemporary watchmaking conventions. Layered construction, visible screws, integrated rubber, and contrasting materials: the Big Bang has never sought consensus, but impact. Twenty years later, this radical approach has lost none of its strength — it has gained in control and mastery.
The Big Bang Original Unico Titanium Ceramic 43 mm marks this return to fundamentals. It reprises the “Original” architecture faithful to the earliest Big Bang models, while taking a decisive step forward through the integration of the in-house Unico caliber. Here, the iconic aesthetic is paired with high-level mechanics, making this model one of the most accomplished expressions of the Big Bang heritage.
Design & architecture: the Big Bang DNA intact
The Big Bang Original Unico Titanium Ceramic 43 mm retains all the aesthetic codes that have shaped the Big Bang identity since its origins. Its emblematic multi-layer case is expressed here with even greater contrast, reinforced by the combination of titanium and black ceramic. The six visible, non-aligned screws on the bezel recall this deliberately industrial approach, a strong visual signature of the collection.
The lateral “ears,” distinctive elements of the Big Bang, structure the case and enhance the watch’s presence on the wrist. The rectangular chronograph pushers and rubber-clad crown emphasize the model’s sporty, technical vocation, while the black dial with a checkerboard pattern inspired by woven carbon adds depth and dynamism without excess.
The chronograph counters integrate naturally into the dial composition, creating a fluid and coherent reading. The date discreetly positioned at 4:30 recedes in favor of visual balance, confirming a taut, functional aesthetic that is immediately identifiable as a Big Bang.
Proportions & ergonomics: 43 mm as an obvious choice
With a diameter of 43 mm, the Big Bang Original Unico Titanium Ceramic finds a natural balance within the collection. Positioned between the historic 41 mm and 44 mm sizes, this format was designed to deliver a strong presence without excess, perfectly aligned with the powerful Big Bang case architecture.
The thickness of 13.2 mm is well controlled given the multi-layer construction and the integration of a manufacture chronograph. The curves have been softened, the angles reworked, and the proportions refined to improve comfort on the wrist. The watch follows the wrist’s morphology with greater fluidity, while retaining the robust, technical character inherent to the Big Bang.
This focus on ergonomics translates into an immediate sense of rightness: the Big Bang Original Unico Titanium Ceramic asserts its stature, yet wears with an ease that reinforces its status as a contemporary sports chronograph designed for everyday use.
In-house Unico HUB1280 movement
At the heart of the Big Bang Original Unico Titanium Ceramic 43 mm beats the in-house HUB1280 Unico caliber, a true cornerstone of Hublot’s contemporary watchmaking legitimacy. Developed and assembled at the Nyon manufacture, this automatic chronograph movement embodies the brand’s determination to fully master its mechanics, without compromise.
The Unico caliber is distinguished by its column wheel, ensuring precision and smooth activation, as well as its flyback function, which allows a chronograph measurement to be instantly restarted without stopping the mechanism. Operating at a frequency of 4 Hz (28,800 vibrations per hour), it offers a power reserve of approximately 72 hours, ensuring comfortable autonomy for daily wear.
The result of several years of research, the HUB1280 incorporates five patented innovations aimed at optimizing energy management, reducing friction, and ensuring long-term chronograph stability. Here, complexity is never ostentatious: the movement does not impose itself, it integrates. Visible through the sapphire caseback, it reveals itself as a precision instrument, designed to last and to support the Big Bang in its role as a modern, high-performance chronograph.
Titanium & ceramic: the Art of Fusion in action
The Big Bang Original Unico Titanium Ceramic 43 mm fully embodies Hublot’s Art of Fusion philosophy by combining two technical materials with complementary properties. This pairing is not conceived for visual contrast alone, but to meet precise requirements in terms of performance, durability, and comfort.
Titanium, used for the case middle, provides excellent mechanical resistance while maintaining remarkable lightness, essential for wrist comfort. Finished with satin-brushed and polished surfaces, it highlights the Big Bang’s layered construction and reinforces the architectural reading of the whole, faithful to the brand’s engineering-driven DNA.
The black ceramic bezel completes this architecture with a material renowned for its high hardness and scratch resistance. Deep and uniform, ceramic retains its appearance over time and brings a controlled visual tension to the design. This dialogue between titanium and ceramic gives rise to a balanced Big Bang, where each material plays a precise role in the service of both functionality and aesthetics.
Strap & functionality: designed for use
The Big Bang Original Unico Titanium Ceramic 43 mm is fitted with a structured black rubber strap, perfectly integrated into the case architecture. True to Hublot’s DNA, this strap ensures flexibility, secure fit, and comfort, even during prolonged wear. It naturally complements the Big Bang’s powerful lines while reinforcing its sporty character.
The strap features the One Click quick-change system, with the pusher positioned on the front of the case. Both practical and distinctive, this device allows the strap to be changed without tools in just a few seconds, while standing as a design element in its own right. The titanium deployant clasp guarantees precise adjustment and optimal security on the wrist.
With water resistance to 100 meters, the Big Bang Original Unico Titanium Ceramic asserts its versatility. Designed to accompany movement, it meets the expectations of a contemporary sports watch, equally at ease in an urban environment or in more active situations.
Specifications
Water Resistant
100 m
Watch movement
In house automatic movement
Diameter
43 mm
Matière
Titanium
Power reserve
72 hours
Strap - Bracelet
Rubber
-
Brand
- Hublot
-
Reference
- 431.NM.1370.RX
-
Condition
- New
-
Country of manufacture
- Switzerland
-
Brand Collection
- Big Bang - Hublot
-
Launch year
- 2026
-
Gender
- Man
-
Must-Have / Essentials
- Limited edition
-
Case material
- Titanium
-
Water Resistant
- 100 m
-
Diameter
- 43 mm
-
Crystal
- Breaks and scratches with difficulty, anti-reflective treatment, Sapphire crystal
-
Watch movement
- In house automatic movement
-
Movement model
- Hublot UNICO HUB1280
-
Power reserve
- 72 hours
-
Strap materials
- Rubber
-
Buckle
- Deployant clasp
- Subcollection
- Big Bang Original Unico
- Case shape
- Round
- Case material
- Titanium
- Finishing of the case
- Brushed and polished
- Lugs
- Titanium
- Water Resistant
- 100 m
- Diameter
- 43 mm
- Case Thickness
- 13,2 mm
- Case features
- Sapphire display back
- Crown
- 2 push-buttons, 3 o'clock
- Crystal
- Breaks and scratches with difficulty, anti-reflective treatment, Sapphire crystal
- Bezel
- Fixed bezel
- Bezel color
- Black
- Bezel / Insert material
- Ceramic
- Dial
- Stamped «Carbon Effect»
- Dial color
- Black
- Marker
- Stick pointer
- Dial type
- Chronograph
- Display
- Analog, Small second counter, Date window, 60 minutes counter
- Lume
- Super-LumiNova
- Hands
- Luminescent
- Watch movement
- In house automatic movement
- Movement model
- Hublot UNICO HUB1280
- Balance frequency
- 28 800 Vibrations per hour (VpH) (4 Hz)
- Stones
- 43 jewels
- Functions/complications
- Chronograph, Date, Subsidiary seconds
- Complications/functions
- Chronograph, Date, Hours Minutes Seconds, Flyback
- Specific characteristics
- Column wheel, Silicium escapement
- Power reserve
- 72 hours
- Strap materials
- Rubber
- Strap finish
- Textured
- Strap color
- Black
- Buckle
- Deployant clasp with push-buttons
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