Hublot Big Bang 441.NCU.5920.RX Peach Ceramic: specs, Big Bang 42 siblings, prices and buying checks

The Hublot Big Bang 441.NCU.5920.RX is a 42 mm Big Bang with a satin-finished titanium case, a peach ceramic bezel held by the six H-shaped titanium screws that define the line, a skeletonised chronograph dial with peach-tinted flange and counters, a sapphire crystal front and back, and a peach rubber strap. The 441 prefix is the one Hublot uses for its 42 mm Big Bang Unico chronographs, and the product data Bizak holds records it as an automatic with a transparent caseback. It is the warm-toned member of the coloured-ceramic Big Bang 42 family that also includes the mint green 441.GS.5221.RX and the blue ceramic 441.NL.5171.RX. This guide covers the specifications, what the reference is and what we can say about its movement, how titanium and ceramic behave together, how it compares with the other Big Bang 42 references in our catalogue and with the 44 mm Unico, how it wears, dealer prices in 2026 and what to check before buying. Bizak & Co. sources the 441.NCU.5920.RX to order; the Hublot Big Bang collection lists the configurations we can seek.

Last reviewed on October 6, 2026 by Filip Biczak. Prices are dated observations, not quotes.

Hublot Big Bang 441.NCU.5920.RX specifications

Sources: Hublot's Big Bang collection page for the current line and its published specifications, and the Federation of the Swiss Watch Industry FH for the Swiss Made rules the case and movement are built under. Where Hublot's figure for this exact reference was not in front of us, the table says so and describes the watch qualitatively.

What is the Hublot Big Bang 441.NCU.5920.RX?

Hublot's reference numbers read in blocks. The first three digits name the model and size, the letters after them name the case and bezel materials, the four digits after that name the dial, and the suffix names the strap. In Bizak's catalogue every 441 reference is a 42 mm Big Bang Unico chronograph: 441.NX is titanium, 441.CI is black ceramic, 441.OX is King Gold, 441.ES is blue ceramic, 441.GS is mint green ceramic, 441.NL is titanium with a blue ceramic bezel and 441.NCU, this watch, is titanium with a peach ceramic bezel. The RX suffix is Hublot's rubber strap. Reading the number that way tells you most of what the watch is before you see it: a 42 mm Unico chronograph in a titanium case with a coloured ceramic bezel and a matching rubber strap.

The Big Bang Unico 42 mm arrived in 2020 as the smaller brother of the 44 mm Unico, with the same in-house chronograph architecture in a case that sits better on average wrists. Since then Hublot has used the 42 mm case for its colour work: full-ceramic cases in black, blue, mint green and other shades, and titanium cases paired with ceramic bezels in contrasting colours. The 441.NCU.5920.RX belongs to the second group; the titanium keeps the weight and the price below a full-ceramic case, and the peach bezel and strap carry the colour. Hublot's product page and the papers that come with the watch are the documents to confirm its launch year and any edition status; we do not state either from memory.

What movement is in the 441.NCU.5920.RX?

Bizak's product data records the movement as automatic and the caseback as transparent, and the product image shows a chronograph: two pushers flank the crown, a 60-minute counter sits at 3 with the date window inside it, and running seconds sit at 9. That layout, with the column wheel visible at 6 through the open dial, is the layout of Hublot's Unico chronograph. Across the 42 mm Big Bang Unico references, Hublot specifies the in-house HUB1280, a self-winding flyback chronograph with a column wheel on the dial side, a silicon escapement and about 72 hours of power reserve, the 42 mm successor to the HUB1242 of the 44 mm watches. We describe the 441.NCU.5920.RX's calibre in those terms because the reference prefix and the dial architecture place it in that family, and we recommend the buyer confirm the calibre designation on Hublot's own product page and on the warranty card before paying a balance.

Practically, a Unico-family chronograph means a flyback function, a quick-correcting date and a movement designed to be looked at: the dial-side column wheel and openworked bridges are the reason the dial is skeletonised at all. Daily wear keeps it wound; off the wrist for a long weekend, it will need setting.

Titanium case, peach ceramic bezel: how do the materials behave?

• Titanium. The case, crown, pushers, screws and clasp are titanium, which is roughly 40 percent lighter than steel, hypoallergenic and warm to the touch. Hublot satin-brushes the flanks and polishes the chamfers. Titanium marks more readily than ceramic and shows fine scratches on the brushed surfaces, which a competent service centre can refinish.
• Peach ceramic bezel. Hublot's coloured ceramics are made by pigmenting the zirconia before sintering, so the colour runs through the material rather than sitting on it. The bezel will not fade or scratch in normal wear. Ceramic is hard but brittle, so the edges of the bezel and the screw recesses are the places to inspect for chips; a chipped bezel is replaced, not repaired.
• Skeleton dial. The open dial is a sapphire plate over the movement with the flange and counters finished in peach. It reads less easily than a solid dial in low light, which is the trade-off of every skeleton Big Bang; the luminous numerals and hands help, but this is a daytime watch first.
• Rubber strap. Hublot's lined rubber strap is comfortable in heat and water-tolerant. Coloured rubber picks up dye transfer from dark denim and marks from sunscreen; keep a spare strap in mind, since the quick-change system makes a swap a two-minute job.

441.NCU.5920.RX vs other Big Bang 42 references: which to choose?

The watches in that table share the same case size and movement family, so the decision is about colour, material and money. The plain titanium 441.NX.5179.RX is the value route into a Big Bang Unico 42 and costs about US$10,500 less than the peach on our catalogue. The 441.NL.5171.RX is the closest construction match, titanium with a coloured ceramic bezel, in blue and at about US$7,000 less. The mint green 441.GS.5221.RX is the nearest in spirit, a pastel Big Bang 42, and sits about US$1,600 below the peach. The black ceramic 441.CI.1170.RX is the one that disappears under a cuff. If the peach is what you want, nothing else in the table replaces it; if a Big Bang Unico 42 is what you want, the titanium or the blue bezel buys the same engineering for a great deal less. The King Gold 441.OX.1180.RX, at US$26,699 on the same day, is the only 42 mm Unico in our catalogue asked above the peach.

Big Bang Unico 42 or 44?

Hublot sells the Unico chronograph in both sizes. The 44 mm references carry a 421 prefix and the older HUB1242 architecture; the 42 mm references carry 441 and the HUB1280. On the wrist the 44 is a larger, taller watch with a wider flange and a more open view of the movement, and it is the size the Big Bang was designed around in 2005. The 42 is the one most wrists under about 18 cm will find easier to wear with a sleeve. The pricing overlaps: on October 6, 2026 our catalogue listed the 44 mm black ceramic 421.CI.1170.RX at US$18,599 brand new, so the 42 mm peach costs more than a 44 mm black, which tells you the premium is for the colour, not the size. There is no 44 mm peach in our catalogue; a buyer who wants the colour buys the 42.

The other 42 mm skeleton in the catalogue is the MECA-10 titanium 444.NX.1170.RX at US$17,950, a hand-wound time-only watch with a ten-day reserve. It is a different proposition, a mechanical display piece rather than a chronograph, and it suits the buyer who wants the open dial without the pushers.

How does the Big Bang 441.NCU.5920.RX wear?

At 42 mm the Big Bang Unico is mid-sized by Hublot standards but substantial by any other: the case is about 14.5 mm thick on Hublot's published figure for the 42 mm Unico, the bezel is wide, and the layered construction with its exposed screws and side inserts adds visual bulk. The titanium keeps the weight down, which is the biggest practical advantage over the full-ceramic 441.GS.5221.RX and 441.CI.1170.RX. The short, downturned lugs keep the lug-to-lug close to the case diameter, so the 42 fits wrists from about 16.5 cm (6.5 inches) upward; below that, Hublot's 39 mm One Click or the 38 mm Big Bang are the better fits. The peach bezel and strap read warmer and more muted in daylight than product photography suggests, closer to apricot than orange, and the grey of the titanium and the movement plates stops the colour from dominating. It is a watch that is noticed, which is the point of buying the peach over the black.

How much is a Hublot Big Bang 441.NCU.5920.RX? Dealer prices in 2026

• Retail. Hublot publishes list prices on its product pages. In 2025 and 2026 the 42 mm Big Bang Unico in titanium has sat in the low US$20,000s at retail and coloured-ceramic and ceramic-bezel versions above the plain titanium; ask a Hublot boutique or check the Big Bang collection page for the current figure, since list prices move each year and we do not state one for this reference.
• Secondary market. Hublot's regular-production Unico references have generally traded below retail once worn, and limited colourways hold value better than the core black and titanium references because supply is thinner. A peach bezel is a narrow-demand colour: it sells well to the buyer who wants it and slowly to everyone else, which is the pattern to expect on resale.
• Bizak catalogue ask. Bizak's sourced catalogue listed the 441.NCU.5920.RX at US$23,999 brand new on October 6, 2026, sourced to order, with box and papers to be confirmed before any balance is paid. On the same day the mint green 441.GS.5221.RX sat at US$22,399, the blue-bezel 441.NL.5171.RX at US$16,999 and the titanium 441.NX.5179.RX at US$13,499.

Those figures describe what we saw and will move. Ask for a dated quote for the exact watch, paperwork and year; our Hublot buying guide explains how the Big Bang, Classic Fusion and Unico lines are priced against each other.

Is the peach Big Bang a good investment?

It is a watch to own rather than to trade. Hublot's regular references do not behave like steel Rolex sports models; a brand-new Big Bang Unico bought at or near retail should be expected to sell for less than its purchase price for several years, and the gap is usually larger on a narrow-demand colour than on the core black ceramic. The arguments for the 441.NCU.5920.RX are the colour, the open dial and the light titanium case, and a buyer who wants those should buy them. A buyer whose first question is resale should look at the titanium 441.NX.5179.RX, which costs far less and has the broadest demand of the 42 mm Unicos. A coloured Big Bang holds its value best once Hublot retires the colour; whether the peach becomes one of those is not something we can predict, and we do not sell on that promise.

Buying a 441.NCU.5920.RX: what to check

• Warranty card and reference. The warranty card should carry 441.NCU.5920.RX and the serial engraved on the case. Hublot's warranty runs from the activation date, so a watch sold months after activation has used that much of it; ask for the date.
• Bezel edges and screw recesses. Ceramic chips rather than scratches. Inspect the outer bezel edge, the inner edge against the crystal and the six screw recesses under a loupe or in close photographs; a chip is a bezel replacement.
• Titanium surfaces. On a brand-new watch the satin brushing on the case flanks and the polished chamfers should be unbroken and the lugs should carry their protective film or no marks. Refinished titanium shows softer edges.
• Chronograph and flyback. Start, stop and reset should be crisp and the hands should return to zero exactly. Press the reset while running: the chronograph should restart from zero in one motion. The 60-minute counter at 3 should advance cleanly.
• Date. The date inside the counter at 3 should change near midnight and set through the crown without hesitation.
• Caseback and dial. Look through both sapphires for dust, fibres or tool marks on the open bridges; on a skeleton watch anything inside the case is visible for life.
• Strap and clasp. An unworn peach rubber strap has no crease at the first holes and no grey transfer; the titanium deployant should lock positively and the quick-release should click.
• Price against the band. A full-set peach offered well below the plain titanium 441.NX.5179.RX asks is the most reliable warning sign.

Our authentication process describes what we inspect before dispatch.

Quick answers

How much is a Hublot Big Bang 441.NCU.5920.RX?

Bizak's sourced catalogue listed the 441.NCU.5920.RX at US$23,999 brand new on October 6, 2026, sourced to order. The titanium 441.NX.5179.RX sat at US$13,499 and the mint green 441.GS.5221.RX at US$22,399 on the same day.

What movement does the Hublot 441.NCU.5920.RX use?

An automatic chronograph visible through the sapphire caseback. The 441 series is Hublot's 42 mm Big Bang Unico family, specified with the in-house HUB1280 flyback chronograph and about 72 hours of reserve; confirm the calibre designation on Hublot's product page and the warranty card.

What size is the Hublot Big Bang 441.NCU.5920.RX?

42 mm across in titanium, about 14.5 mm thick on Hublot's figure for the 42 mm Unico, with short downturned lugs. It suits wrists of about 16.5 cm and up; the 44 mm Unico references carry a 421 prefix.

Is the 441.NCU.5920.RX ceramic or titanium?

Both. The case, crown, pushers and screws are satin-finished titanium and the bezel is peach ceramic, with a peach rubber strap. The full-ceramic 42 mm siblings, such as the mint green 441.GS.5221.RX, are heavier and dearer to refinish.

What is the difference between the 441.NCU.5920.RX and the 441.NL.5171.RX?

The colour. Both are 42 mm Big Bang Unico chronographs in titanium with a coloured ceramic bezel and a skeleton dial; the NCU is peach and the NL is blue. On October 6, 2026 our catalogue asked about US$7,000 more for the peach.

Request a Hublot Big Bang 441.NCU.5920.RX sourcing quote

Tell us whether you want the peach or one of the other Big Bang 42 colours, the condition and paperwork you require, your budget and timing, through our sourcing enquiry form. We confirm the specific watch, photographs, paperwork and final price before you commit. Catalogue entries: 441.NCU.5920.RX peach ceramic, 441.GS.5221.RX mint green, 441.NL.5171.RX blue ceramic, 441.NX.5179.RX titanium; browse the Hublot Big Bang collection, the Big Bang Unico collection, the Hublot collection, or sell or trade your Hublot.

Related reading: Which Hublot to buy: Big Bang, Classic Fusion or Unico · Big Bang Unico Red Carbon Alex Ovechkin edition · Big Bang Original Chronograph 301.PX.1180.RX.1704 guide · Watch nicknames explained.