Replica Hublot Big Bang

Our hublot big bang replica collection features 32 models of Hublot’s flagship line — the watch that redefined the brand in 2005 and introduced the “Art of Fusion” to mainstream horology. The Big Bang pairs a 42-45mm case with ceramic bezels, six visible H-shaped titanium screws and integrated rubber straps in a sandwich construction that became Hublot’s signature. The lineup spans UNICO flyback chronographs with dial-side visible mechanics, the hublot unico replicas in titanium and King Gold, Sang Bleu II geometric skeleton editions and the original 44 mm Big Bang 301 chronograph; the Meca-10 with 10-day power reserve and the Integral with its first-ever Hublot integrated metal bracelet are described below as genuine references. Genuine materials range from micro-blasted titanium and black ceramic to King Gold and full sapphire crystal cases; on our super clones the ceramic is real ceramic and gold versions are gold-tone. Browse the full Big Bang range below, or return to the Replica Hublot collection.

Hublot Big Bang Unico Replica and Other References

Big Bang Unico Titanium 421.NM

The core Big Bang chronograph. 44mm titanium case with black ceramic bezel, a clone Cal. HUB1242 Unico flyback chronograph visible through the dial, about 55 hours of power reserve (genuine HUB1242: 72 hours). Matte black dial with two chronograph registers at 3 and 9 o’clock. The defining hublot big bang replica reference — bold, mechanical and unmistakably Hublot.

Big Bang UNICO King Gold Ceramic (421.OC.0180.RX) — The same 44mm UNICO architecture in Hublot’s proprietary King Gold (18K red gold with 5% platinum) paired with a black ceramic bezel. The warm gold tone against black rubber strap and ceramic creates the classic luxury-sport contrast. Genuine: 72-hour power reserve, flyback chronograph with dial-side visible column wheel. We carry this King Gold and black ceramic look as the 45 mm 411.OM and the 42 mm 441.OX, gold-tone on our super clones.
Big Bang Integral Titanium (451.NX.1170.NX) — The first Big Bang with a fully integrated titanium bracelet, introduced in 2020. The bracelet flows directly from the case without exposed lugs, following the current integrated bracelet trend. Same 42mm case, HUB1280 UNICO caliber (evolution of HUB1242), and the One Click quick-release system now built into the bracelet links for easy switching between bracelet and rubber strap.
Big Bang Meca-10 (414.NI.1123.RX) — A 10-day power reserve display piece. The HUB1201 manual-wind movement stores energy in twin barrels, displayed through two lateral rack-and-pinion indicators visible on the dial. 45mm case in titanium or King Gold. No chronograph — this reference is about the mechanical spectacle of watching the power reserve deplete across two visible linear gauges.
Big Bang Unico Sapphire (411.JX.4802.RT) — Full sapphire crystal case construction — bezel, middle case and caseback machined from blocks of transparent sapphire. The hublot big bang unico sapphire replica exposes every component of the UNICO movement and case architecture with zero visual obstruction. 45mm diameter, 72-hour power reserve, limited production due to the difficulty of machining sapphire.

Big Bang Original 301 Chronograph 44 mm

The 2005 original that started the Big Bang: a 44 mm case with a three-register chronograph and date. We carry it in steel, black ceramic and gold-tone versions (301.SX, 301.SB, 301.SM, 301.CM, 301.PX, 301.PB, 301.PM). Movement: clone Cal. HUB4100 automatic chronograph, about 40 hours of power reserve (genuine HUB4100: 42 hours).

Big Bang Unico 45 mm 411

The 45 mm Big Bang Unico with the openworked dial and the column wheel visible at 6 o’clock. In stock in titanium, blue and black ceramic with gold-tone versions (411.NX, 411.ES, 411.EX, 411.OM). Movement: clone Cal. HUB1242, about 55 hours of power reserve (genuine HUB1242: 72 hours).

Big Bang Unico 42 mm 441

The 42 mm Big Bang Unico for smaller wrists, with the same dial-side chronograph. In stock in black ceramic, titanium and gold-tone versions, including a stone-set bezel version (441.CI, 441.NX, 441.OX, 441.RX). Movement: clone Cal. HUB1280, about 55 hours of power reserve (genuine HUB1280: 72 hours).

Big Bang Unico Sang Bleu II 418

Tattoo artist Maxime Plescia-Büchi’s geometric dial and faceted bezel on a 45 mm Big Bang Unico. In stock in black and white ceramic, blue, green and gold-tone versions (418.CX, 418.HX, 418.EX, 418.GX, 418.OX, 418.FX). Movement: clone Cal. HUB1240 Unico, about 55 hours of power reserve (genuine HUB1240: 72 hours).

Big Bang Super Clone Build: Unico Chronograph and Ceramic Case

The HUB1242 UNICO serves as the backbone of the Big Bang chronograph range. This in-house flyback chronograph runs at 28,800 vph with a 72-hour power reserve from twin barrels. The column-wheel and coupling mechanism sit on the dial side — visible through the openworked dial without removing the watch. The flyback function allows instant reset-and-restart of the chronograph without stopping. On our super clones the Unico is a clone Cal. HUB1242 (HUB1280 in the 42 mm and HUB1240 in the Sang Bleu II), about 55 hours of power reserve (genuine: 72 hours); the original 301 series runs a clone Cal. HUB4100 chronograph, about 40 hours (genuine: 42 hours). The Big Bang Integral uses the evolved HUB1280 caliber with identical specifications but adapted dimensions. The Meca-10’s HUB1201 is a manual-wind caliber with twin mainspring barrels connected to rack-and-pinion power reserve displays. Cases follow the trademark sandwich construction: a middle case section compressed between bezel and caseback, secured by six H-shaped titanium screws visible on the bezel face. The bezel is typically black ceramic or matching case metal, with a micro-blasted or polished finish. Rubber straps feature integrated lug attachments and the One Click quick-change system — a button on each lug that releases the spring bar for tool-free strap changes.

How to Choose Your Hublot Big Bang Replica: 42, 44 or 45 mm

The UNICO Titanium is the entry point and the purest expression of the Big Bang — choose it for the flagship dial-side chronograph experience in a lightweight, durable case. King Gold Ceramic adds warmth and a luxury-sport contrast. The Integral (metal bracelet) and the Meca-10 (10-day power reserve) are genuine-only for now, so in our stock the choice is about size: the 42 mm 441 Unico for smaller wrists, the 44 mm original 301 and 421 Unico, and the 45 mm 411 Unico. The Sang Bleu II delivers geometric skeleton aesthetics for a more artistic interpretation. For a thinner, more restrained Hublot, consider the Classic Fusion. For the Big Bang DNA in a tonneau case, see the Spirit of Big Bang. For Hublot’s angular square silhouette, explore the Square Bang.

Hublot Big Bang Clone FAQ: Unico Flyback, Integral and Materials

What is the UNICO flyback function?

A flyback chronograph allows the wearer to reset and restart the chronograph with a single button press, without the conventional stop-reset-start three-step sequence. In the HUB1242 UNICO, pressing the 4 o’clock pusher while the chronograph is running instantly resets the seconds hand to zero and restarts timing in one action. This is particularly useful for consecutive timing events — lap times, split intervals or back-to-back measurements. The flyback mechanism adds complexity to the movement because it requires the coupling lever, heart-piece cam and reset hammer to operate simultaneously under load.

What is the difference between Big Bang and Big Bang Integral?

The primary difference is the bracelet. The standard Big Bang uses Hublot’s integrated rubber strap with One Click quick-change lugs. The Big Bang Integral introduced in 2020 features a fully integrated metal bracelet — titanium or King Gold links that flow directly from the case as a single visual unit with no exposed lugs. The Integral uses the updated HUB1280 UNICO caliber (same specs: 72-hour reserve, flyback, column-wheel). Case diameter is 42mm for the Integral versus 44mm for the standard Big Bang UNICO. Both share the signature six H-shaped screws and sandwich construction.

How does the Meca-10 power reserve indicator work?

The Meca-10 uses a rack-and-pinion mechanism to display its 10-day power reserve. Twin mainspring barrels are each connected to a linear gear rack visible through the dial — one on each side of the movement. As the mainsprings unwind over 10 days, the racks physically retract, providing a visual countdown of remaining energy. When fully wound, both racks extend to maximum; at zero reserve, they are fully retracted. This linear display is mechanically simpler to read than a traditional fan-shaped power reserve hand but requires significant dial real estate — which is why the Meca-10 has no chronograph complication.

What materials are used in Big Bang cases?

The Big Bang range uses five primary case materials. Titanium (grade 5, micro-blasted finish) offers the lightest option at approximately 95g case weight. Black ceramic (sintered zirconium oxide) provides scratch resistance and a deep matte black. King Gold is Hublot’s proprietary 18K red gold with 5% platinum added for color stability. Carbon fiber uses layered CFRP for a textured, industrial aesthetic at minimal weight. Sapphire crystal cases are machined from single blocks of synthetic corundum, requiring 300+ hours of machining per case due to sapphire’s 9/10 Mohs hardness. Most references combine two materials — typically a titanium or gold case with a ceramic bezel. On our super clones the black ceramic is real ceramic, gold versions are gold-tone rather than King Gold, and the sapphire case is not offered.

What are the Hublot unico replicas available in this collection?

The hublot unico replicas in our Big Bang lineup include the UNICO Titanium (421.NM.1170.RX) as the standard chronograph reference, the 45 mm 411 Unico in titanium, blue and black ceramic with gold-tone, the 42 mm 441 Unico in black ceramic, titanium and gold-tone, and the Sang Bleu II 418 editions. The Unico Sapphire and the Big Bang Integral are genuine-only references. All our Unico super clones carry a clone of the HUB1242, HUB1280 or HUB1240 flyback chronograph with dial-side visible mechanics, about 55 hours of power reserve (genuine: 72 hours). The primary differences between UNICO variants are case material, bezel material and dial color configuration.

Which Hublot Big Bang clone should I pick: Unico or the original 301?

Pick the Unico — 411, 421, 441 or Sang Bleu II — for the openworked dial with the column wheel visible at 6 o’clock: clone Cal. HUB1242, HUB1280 or HUB1240, about 55 hours of power reserve (genuine: 72 hours). Pick the original 301 for the 2005 look with a solid dial, chronograph counters and date: clone Cal. HUB4100, about 40 hours (genuine: 42 hours). For a smaller wrist, the 42 mm 441 Unico is the only Big Bang under 44 mm in our stock.

Classic Fusion, Spirit and Square Bang Beside the Big Bang

Explore more Hublot lines: Classic Fusion for a thinner, dressier Hublot, Spirit of Big Bang for the tonneau-shaped variant, Square Bang for the geometric square case. Compare with Replica Audemars Piguet Royal Oak. For factories, sizing and how to check a Unico before you buy, read our Hublot Big Bang replica guide. Browse the full Replica Hublot catalog for all 76 models.