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Hublot Spirit of Big Bang 37 mm Slate Carbon
Front view

Front view

Dial, hands and bezel as delivered.

Case-back view

Case-back view

Case-back engraving and, where fitted, the sapphire display.

Movement

Movement

Calibre with its finishing and decoration.

On the wrist

On the wrist

Worn shot for proportion and strap drape.

Hublot · Spirit of Big Bang

Hublot Spirit of Big Bang 37 mm Slate Carbon

Reference 63842OR.90

Reference at a glance

Brand
Hublot
Collection
Spirit of Big Bang
Model
Hublot Spirit of Big Bang 37 mm Slate Carbon
Reference number
63842OR.90
Year / era
2000 · 2000s — modern production
Complication
Chronograph
Movement
In-house automatic chronograph
Case material
Carbon TPT
Dial type
Slate grey
Strap / bracelet
Integrated steel bracelet
Water resistance
100 m
Limited-edition status
Limited edition of 250 pieces
Compare this reference

Case, dial & bracelet

Case dimensions
37 mm
Case thickness
11.3 mm
Case material
Carbon TPT
Bezel
Fluted 18k gold
Crystal
Flat sapphire with Cyclops lens
Dial
Slate grey
Hands
Mercedes hour hand with Chromalight display
Indexes
Printed minute track with applied batons
Bracelet / strap
Integrated steel bracelet
Clasp / buckle
Pin buckle in matching case metal
Water resistance
100 m

Movement

Movement / calibre
Calibre 85A — In-house automatic chronograph
Movement type
Automatic with micro-rotor
Frequency
28,800 vph (4 Hz)
Power reserve
38 hours
Number of jewels
33 jewels
Complications
Chronograph
Functions
GMT second time zone, date
Watchmaker
Assembled and regulated by a single watchmaker, who signs off the piece before casing.

Production & market

Production period
2000 – 2015
Limited-edition quantity
250 pieces
Current market information
Values have stabilised after the 2022 correction; condition and box-and-papers drive the premium.

Designer

Gérald Genta

Gérald Genta (1931–2011) trained as a goldsmith in Geneva and became the most influential watch designer of the 20th century. Working freelance, he sketched the Audemars Piguet Royal Oak overnight in 1970, followed by the Patek Philippe Nautilus, the IWC Ingenieur SL and the Bulgari Bulgari — defining the integrated-bracelet luxury sports watch as a category.

Historical significance

Hublot Spirit of Big Bang 37 mm Slate Carbon sits within Hublot's Spirit of Big Bang line, introduced in 2000. It carries the house codes established since 1980 — carbon tpt case, slate grey dial and in-house automatic chronograph — and is one of the references collectors use to date the evolution of the collection.

Interesting facts

  • The reference was originally planned as a one-year run and stayed in the catalogue for well over a decade.
  • The bracelet tapers across its length, which is why the profile looks thinner on the wrist than the specification suggests.
  • The case is finished by hand, alternating polished and satin-brushed surfaces in a single pass so the edges stay razor sharp.
HU

The House

Hublot

Brand facts

Founding year
1980
Founder
Carlo Crocco
Headquarters
Switzerland
Tier
Luxury
Major collections
Big Bang, Classic Fusion, Spirit of Big Bang, MP Collection, Square Bang
Signature technologies
Anti-magnetic silicon escapement · Hand-applied guilloché dials · Certified chronometer regulation
Famous movements
In-house automatic, Superlative Chronometer · In-house automatic, chronometer certified · In-house automatic chronograph · In-house manual-winding
Notable watches
Hublot Big Bang 36 mm Salmon Stainless (1980) · Hublot Big Bang 43 mm Salmon Stainless (1982) · Hublot Big Bang 43 mm Meteorite Stainless (1996) · Hublot Classic Fusion 44 mm Meteorite 18k (1992)

Brand history

Hublot has spent more than 46 years refining a single idea: a watch should outlive its owner. From the earliest workshop pieces to today's Big Bang, the house has balanced technical ambition with a recognisable design language, and its collections remain among the most closely followed by collectors worldwide.

Carlo Crocco established Hublot in 1980, working from Switzerland at a time when precision was measured by hand. The founder's obsession with finishing and accuracy still defines every Hublot calibre produced today.

Historical milestones

  1. 1980

    Carlo Crocco founds Hublot in Switzerland.

  2. 1990

    Hublot enters the modern collector market with its signature lines.

  3. 2024

    Hublot continues to produce Big Bang, Classic Fusion, Spirit of Big Bang and other icons in limited numbers.

More Spirit of Big Bang