The Hublot Spirit of Big Bang | family history
The Spirit of Big Bang takes the Big Bang's material vocabulary and in-house movement and reshapes the case into a tonneau geometry. The result is more architectural than the round Big Bang and more legible as a design statement. The UNICO flyback chronograph is the movement of choice in most Spirit references.
A tonneau-shaped variant of the Big Bang platform, first introduced in 2014. The angular case and barrel geometry read as more architectural than the round Big Bang. Houses the in-house UNICO flyback chronograph.
2014 · Launch and tonneau architecture
Hublot introduced the Spirit of Big Bang as a geometric alternative within the Big Bang platform. The tonneau case shape is a deliberate departure from the Big Bang's round form, and the barrel geometry gives the Spirit a more-architectural presence. Case materials follow the Big Bang's palette: titanium, carbon fiber, ceramic, king gold.
No references from this era in the catalog yet.
2014-present · UNICO flyback chronograph
The primary Spirit references carry the HUB1242 UNICO flyback chronograph, an in-house caliber developed by Hublot. The UNICO is a column-wheel flyback with a horizontal clutch, visible through the skeletonized dial. In the Spirit's tonneau case, the movement architecture and the case architecture read as a unified object.
How to read this family
What to consider before buying a Hublot Spirit of Big Bang.
- Is the UNICO a serious manufacture movement? Yes. Hublot developed the UNICO in-house and it is a genuine column-wheel flyback chronograph. It is not in the same tier as the Patek CH 29-535 PS or the Lange L001.1, but it is a serious manufacture caliber with proper flyback function. The visible movement through the skeleton dial adds a legitimate display element rather than a purely cosmetic one.
- How does the Spirit differ from the Big Bang in wear? The tonneau case distributes the 45mm diameter differently on the wrist than a round case of equivalent size. Many wearers find the Spirit more comfortable, as the case follows the wrist curvature more naturally. The visual identity is also more distinctive; the Spirit reads less generically as a large watch than the round Big Bang.
- Is Hublot's resale market strong? Hublot's pre-owned market is healthy but not exceptional. The brand's retail volume and broad distribution mean pre-owned examples are readily available. Value retention is moderate for standard references; limited editions in unusual materials hold better. Buy for wearing, not investment.
Related families: Chanel J12 · Audemars Piguet Royal Oak Offshore
References in this family
Which ref to buy
The Spirit of Big Bang is Hublot's tonneau-case proposition: a barrel-shaped alternative to the round Big Bang, with the same fusion-materials approach. It occupies the upper tier of Hublot's lineup and targets buyers who want something visually distinct from the standard round case.
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Spirit of Big Bang 45mm: tonneau case, in-house Hublot caliber HUB4700, skeleton dial, titanium or King Gold options.
- The case for it:
- The tonneau case is the most interesting thing Hublot makes. At 45mm, the Spirit wears dramatically and fills a design space that round sports watches cannot. If you specifically want a Hublot and want something distinct from the original Big Bang silhouette, the Spirit is the correct choice.
- Consider instead if:
- Hublot secondary market is fragile across the lineup. The Big Bang 44mm has marginally better resale than the Spirit. Buyers who want a skeleton tonneau from an independent at comparable price points should consider the Roger Dubuis Excalibur 42.
Rankings last reviewed 2026-06-18. Editorial perspective only. Not financial advice.