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Hublot Spirit of Big Bang
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MovementHUB4700 (based on the skeletonized El Primero) or HUB1770
CaseTonneau, 42 or 45 mm (e.g. 51 × 45 mm)
Thicknessapproximately 15 mm
Water resistance5 bar (50 m)
StrapAlligator-coated rubber or leather
Hublot

Spirit of Big Bang

The barrel-shaped case that reinterprets the Big Bang DNA in a more tapered, ergonomic form

Line History

Presented in 2014, the Spirit of Big Bang was born as a variation of the Big Bang line on a radically different case shape: no longer round, but tonneau (barrel-shaped), slightly curved to fit the wrist better. The choice of a tonneau shape, less common in contemporary watchmaking than the round case, aims to give the model a bolder visual identity and an even more pronounced wrist presence compared to the original Big Bang.

While adopting a different case, the Spirit of Big Bang retains the Big Bang family's identifying elements: the exposed bezel with six H-shaped screws, the layered construction and the use of materials typical of the Art of Fusion — titanium, black or white ceramic, King Gold. The dial, often skeletonized, reveals the HUB4700 movement, a chronograph caliber derived from Zenith's historic El Primero (introduced in 1969), another brand within the LVMH group, suitably modified and finished for Hublot.

In 2017 the line was enriched with a version featuring a moon phase complication, based on the HUB1770 caliber, available in several vivid colors. Alongside these, all-black editions ("All Black") have appeared over time, with case, bezel and strap in ceramic and black rubber, taking the line's sporty, monochromatic character to the extreme.

Technical Specifications

Movement
HUB4700, based on the skeletonized El Primero caliber, 5 Hz
Case
Tonneau, 42 or 45 mm (e.g. 51 × 45 mm), slightly curved
Materials
Titanium, black or white ceramic, King Gold
Thickness
Approximately 15 mm
Bezel
Six H-shaped screws in titanium, satin, polished or micro-blasted
Power reserve
Approximately 50 hours
Water resistance
5 bar (50 m)
Strap
Black rubber coated in alligator or leather

Main Executions

Spirit of Big Bang King GoldKing Gold case, skeletonized dial revealing the movementcurrent production
Spirit of Big Bang MoonphaseMoon phase complication on the HUB1770 caliber, colored dialssince 2017
Spirit of Big Bang All BlackCase, bezel and strap in ceramic and matte black rubbercurrent production
Fun Fact

The HUB4700 caliber that powers many versions of the Spirit of Big Bang derives from the famous El Primero, the high-frequency automatic caliber presented by Zenith in 1969: a detail that attests to the technical synergies between the watchmaking brands of the LVMH group, of which both Hublot and Zenith are part.