Hublot Big Bang Unico “Galaxy” Sapphire 45mm 411.JX.4803.RT.4098, Skeleton Dial

Opening Context
Hublot has built its modern identity around the idea of material fusion, and few references express that philosophy as clearly as the Big Bang Sapphire series. Introduced as a technical and visual experiment, sapphire cases pushed the boundaries of what contemporary watchmaking materials could achieve. The “Galaxy” edition takes this concept further, combining full sapphire construction with high jewelry techniques, while remaining firmly grounded in Hublot’s in-house chronograph architecture.

Why This Reference Matters
The Galaxy stands out for its synthesis of mechanics, transparency, and color. The sapphire crystal case and bezel reveal the entire UNICO chronograph architecture from every angle, turning the watch into a study of depth and structure rather than surface finish. The bezel is set with multicolored gemstones, adding a vibrant, almost cosmic accent that contrasts sharply with the technical precision beneath. Inside, the automatic calibre HUB1242 UNICO delivers a flyback chronograph with column wheel construction and a robust 72-hour power reserve, reinforcing that this is not a decorative object, but a fully realized mechanical watch.

On the Wrist
At 45mm, the Big Bang Galaxy wears with unmistakable presence. Despite its size, the sapphire case keeps the watch visually light, allowing it to feel more architectural than bulky. The transparent rubber strap integrates seamlessly with the case, giving the watch a cohesive, almost floating appearance on the wrist. It feels bold, expressive, and deliberately unconventional, a piece designed to be experienced rather than blended in.

Condition & Transparency
This example features a 45mm sapphire crystal case with a sapphire bezel set with multicolored gemstones, paired with a skeletonized dial and applied Arabic numerals. It is fitted to a transparent rubber strap and secured by a titanium deployant clasp. Power comes from the automatic chronograph calibre HUB1242 UNICO with an approximate 72-hour power reserve. Any information regarding service history, box, or papers is disclosed clearly based on confirmed details, with no assumptions made where information is unavailable.

Why It Belongs in a Collection
The Big Bang Unico Galaxy is ideal for collectors who embrace contemporary watchmaking at its most expressive. It complements traditional high horology by offering contrast, color, and technical experimentation, while still relying on a serious in-house movement. Within a broader collection, it represents Hublot’s willingness to challenge convention and expand the visual language of modern watch design.

Closing
The Hublot Big Bang Unico “Galaxy” Sapphire is a confident statement of what modern watchmaking can be when materials, mechanics, and creativity intersect. For collectors drawn to transparency, bold execution, and watches that exist outside traditional categories, this reference remains one of the most striking and uncompromising expressions of the Big Bang concept.

Specifications

• Case Size: 45 mm
  
• Case Material: Sapphire Crystal Case with Sapphire Bezel Set with Multicolored Gemstones
  
• Dial: Skeleton Dial with Applied Arabic Numerals, Chronograph Subdials, and Date Display
  
• Strap: Semi Transparent Rubber Strap with Titanium Deployant Clasp
  
• Power Reserve: Approx. 72 Hours
  
• Movement: Automatic Chronograph (Calibre HUB1242)

Shipments are delivered under Delivered Duty Unpaid (DDU) terms, with duties and taxes payable by the recipient.