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Hublot Big Bang Unico King Gold Blue Ceramic 42mm 441.OL.5181.RX product view super clone watch

Hublot Big Bang Unico King Gold Blue Ceramic 441.OL.5181.RX

42mmSuper Clone Watch

Original price was: $1,300.00.Current price is: $1,059.00.

This is the Big Bang Unico to choose if you want the bold Hublot look without the bulk that put many buyers off earlier 45mm versions. The 42mm case, deep blue ceramic bezel, and blue skeletonized dial with King Gold-tone casework give it the right visual tension, while the custom HUB1280 clone keeps the dial-side chronograph architecture intact, including the visible column wheel at 6 o’clock. If you are weighing it against older A7750-based builds, the movement layout is the real difference, and it is worth understanding in detail.

Configuration Details Confirmed before shipment

Movement Custom UNICO HUB1280 clone automatic chronograph

Case Material Grade 5 titanium core with King Gold PVD

Bezel Blue ceramic

Crystal Scratch-resistant sapphire with anti-reflective coating

Bracelet Blue structured rubber strap with quick-release system and deployant clasp

Water Resistance 30m

SKU: hublot-big-bang-unico-king-gold-blue-ceramic-42mm-441-ol-5181-rx-super-clone-watch Categories: Hublot, IN STOCK SALE Brand: Hublot

Hublot

The blue ceramic bezel makes the whole watch work

On this reference, the bezel is not a background detail. The matte blue ceramic ring sets the tone for everything else: the blue skeletonized dial, the matching structured rubber strap, and the warm King Gold-tone case surfaces around it. The contrast is what gives this Big Bang Unico its appeal. You get the technical, open-worked look Hublot is known for, but the color balance keeps it coherent rather than busy. The polished screw heads across the bezel and case add the industrial edge buyers expect from the Big Bang line, while the rose-gold tone of the applied numerals and hands keeps legibility strong against the darker blue base.

The dial itself is visibly layered, with open-worked mechanics through the center, an exposed date ring, a subdial at 3 o’clock, and the visible chronograph column wheel at 6 o’clock. That last point matters because it is one of the details knowledgeable Unico buyers look for immediately.

Why the 42mm case is the deciding factor for many collectors

This watch follows the true 42mm case geometry, and that changes the ownership experience more than the headline styling suggests. Earlier oversized Unico replicas delivered the visual drama, but not always the versatility. At 42mm, this model keeps the broad bezel, angular lugs, and muscular case profile that define the Big Bang, yet it sits in a range that works better for daily wear across more wrist sizes. For US and European buyers who want a modern sports chronograph without stepping into an obviously oversized case, that proportion is a practical advantage rather than a minor specification.

The case construction is described as a Grade 5 titanium core with King Gold PVD finishing. That makes sense for this style of watch because it preserves the visual presence of gold tone while supporting the complex chronograph build. The black side inserts and crown guards also break up the case visually, which helps the gold tone stay sharp rather than flashy.

The movement is the reason this reference stands above standard A7750 builds

The strongest technical point here is the custom UNICO HUB1280 clone automatic chronograph. On many lower-tier alternatives, a modified A7750 is used as the starting point, often with decorative work to imitate the Unico layout. That can leave familiar tells, especially around dial depth and the visual logic of the chronograph display. This build takes a different route with a movement made to reproduce the Unico architecture more faithfully, including the functional dial-side column wheel at 6 o’clock and the exposed date structure visible through the skeletonized display.

For a buyer who already knows the difference between a movement that simply fills the space and one that supports the dial layout properly, this is the core buying argument. Power reserve is stated at approximately 36 hours, and the chronograph functions are described as fully operational. In other words, the value here is not only in the colorway. It is in getting the right visual mechanics for this specific Hublot design.

The strap and clasp finish the watch properly

The blue structured rubber strap is exactly what this reference needs. It matches the bezel and dial without drifting into a mismatched navy, and the longitudinal ribbing gives it the technical look Hublot sports models wear best. The case is fitted with the One-Click quick-release system, which is a real benefit if you like rotating straps without tools. That matters more on a watch like this than on a simple three-hand piece because the strap is a major part of the Big Bang identity.

The visible clasp is a black and King Gold-tone deployant style, which keeps the color scheme consistent from the wrist side as well. Combined with the sculpted case and the sharp bezel contrast, it gives the watch a finished, deliberate feel rather than the look of a gold-tone case paired with an afterthought strap.

Who this Big Bang Unico suits best

This is the right pick for the buyer who wants a contemporary Hublot chronograph with obvious wrist presence, but also wants the details that make the watch convincing up close. The blue and King Gold combination is assertive, yet the 42mm sizing keeps it usable. More importantly, the custom HUB1280 clone gives this reference the kind of dial-side architecture that experienced buyers tend to prioritize over simple case color or branding alone.

If you are choosing between this and a cheaper Unico-style build, the visible mechanics, the proper 42mm format, and the coordinated blue ceramic and rubber execution are the reasons to spend the difference here.

Watch specification

Configuration summary for this watch

Brand	Hublot
Movement	Custom UNICO HUB1280 clone automatic chronograph
Case Material	Grade 5 titanium core with King Gold PVD
Bezel	Blue ceramic
Crystal	Scratch-resistant sapphire with anti-reflective coating
Bracelet	Blue structured rubber strap with quick-release system and deployant clasp
Water Resistance	30m

Buyer Q&A

Questions about this Hublot watch

What sets this 42mm Unico apart from older A7750-based versions?

The key difference is the custom UNICO HUB1280 clone movement, which supports the dial-side architecture of the watch instead of relying on a standard A7750 with decorative additions. On this model, the visible column wheel at 6 o’clock is functional, and the exposed date layout matches the open-worked design much more convincingly.

Does this watch have a quick-release strap system?

Yes. It is fitted with Hublot's One-Click style quick-release system and comes on a blue structured rubber strap, so strap changes are much easier than on a standard screw-fixed setup.

What is the dial layout on this reference?

The watch has a blue skeletonized dial with large applied numerals, an exposed date ring, a subdial at 3 o’clock, another visible register on the left side, and the chronograph column wheel visible at 6 o’clock.

QC proof before dispatch