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Hublot Spirit of Big Bang Sorai Grey Ceramic 42mm 645.FX.8020.NR.SOA24

Hublot Spirit of Big Bang Sorai Grey Ceramic 42mm 645.FX.8020.NR.SOA24 Hublot Spirit of Big Bang Sorai Grey…

Reference 645.FX.8020.NR.SOA24

Full watch configuration

Hublot Spirit of Big Bang Sorai Grey Ceramic 42mm 645.FX.8020.NR.SOA24

$84,299.00

By Hublot

Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.

Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.

Hublot Spirit of Big Bang Sorai Grey Ceramic 42mm 645.FX.8020.NR.SOA24

Hublot Spirit of Big Bang Sorai Grey Ceramic 42mm 645.FX.8020.NR.SOA24

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Hublot Spirit of Big Bang Sorai Grey Ceramic 42mm 645.FX.8020.NR.SOA24

Catalogue watch price: $84,299.00 USD

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The Hublot Spirit of Big Bang Sorai Grey 645.FX.8020.NR.SOA24 is a 42mm tonneau-shaped ceramic watch featuring a fully skeletonized dial with index markers, a ceramic bezel, and a matching ceramic bracelet. This limited-edition Sorai reference channels Hublot's signature fusion philosophy in a refined grey ceramic execution that commands attention on the wrist.

What sets the 645.FX.8020.NR.SOA24 apart is the cohesive all-ceramic construction paired with an open-worked dial that reveals the movement architecture beneath, making it a statement piece for collectors who prize both engineering and aesthetics. Contact Bizak & Co. today to purchase this Hublot Spirit of Big Bang Sorai Grey ceramic at the best price or to learn more about availability.

Compare it across every Spirit of Big Bang reference we carry, or browse the full Hublot collection at Bizak & Co.

Buy this Spirit of Big Bang, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.

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The Hublot Spirit of Big Bang Sorai Grey Ceramic 42mm — reference 645.FX.8020.NR.SOA24 — represents one of the most distinctive expressions within Hublot's celebrated Spirit of Big Bang collection. Where the original Big Bang round case defined a generation of bold horology, the Spirit of Big Bang takes that energy and reshapes it into a tonneau silhouette: curved, architectural, and unmistakably modern. The Sorai edition layers on an exclusive grey ceramic palette that gives this reference a restrained yet powerful character, setting it apart from the wider lineup.

Ceramic has become synonymous with Hublot's premium tier for compelling reasons. The material is extraordinarily scratch-resistant, maintains its satin-smooth finish over years of daily wear, and is hypoallergenic — a genuine quality-of-life advantage for the wrist. On the 645.FX.8020.NR.SOA24, the grey ceramic is applied consistently to the case, the bezel, and the integrated bracelet, creating a monolithic, seamlessly unified look that feels both futuristic and timeless. At 42mm the tonneau case hits a sweet spot: substantial and visually assertive without overwhelming a broad range of wrist sizes.

The skeleton dial is arguably the most captivating element of this reference. Rather than hiding the movement under a solid dial, Hublot opens the architecture entirely, framing the mechanical landscape with index hour markers that keep legibility intact. The interplay of the grey ceramic case against the exposed movement creates a visual depth that photographs cannot fully capture — it must be experienced on the wrist. Every glance becomes an invitation to study the layered bridges, plates, and oscillating components working in concert.

The Spirit of Big Bang family has long occupied a collector-favorite position within Hublot's catalog, prized for the tonneau shape that feels neither retro nor derivative but wholly Hublot. The Sorai designation signals a limited-edition collaboration, making the 645.FX.8020.NR.SOA24 a reference with heightened collectibility beyond its already-desirable base model status. For those building a serious modern watch collection, a Sorai-edition Spirit of Big Bang in full grey ceramic is the kind of piece that anchors a shelf and appreciates in meaning over time.

Our team of specialists is on hand to answer every question about the 645.FX.8020.NR.SOA24, from technical specifics to delivery options. Whether you are buying your first Hublot or adding a focused collector's piece to an established collection, Bizak & Co. provides the expertise, transparency, and service that a watch of this caliber deserves. Reach out today and secure this exceptional reference at the best price available online.

Technical Details
Reference
645.FX.8020.NR.SOA24
Model
Spirit of Big Bang
Case material
Ceramic
Bracelet material
Ceramic
Dial
Skeleton with index markers
Case size
42mm
FAQ

1. What makes the Hublot Spirit of Big Bang Sorai Grey 645.FX.8020.NR.SOA24 special?
The 645.FX.8020.NR.SOA24 is a Sorai limited-edition variant of the Spirit of Big Bang built entirely in grey ceramic — case, bezel, and bracelet — with a skeletonized dial. The Sorai designation gives it heightened collectibility beyond the standard Spirit of Big Bang lineup, making it a standout piece for serious Hublot enthusiasts.

2. What movement powers the Hublot Spirit of Big Bang Sorai Grey Ceramic?
The Spirit of Big Bang line is powered by an in-house Hublot manufacture movement visible through the open-worked skeleton dial. Specific caliber details for reference 645.FX.8020.NR.SOA24 should be confirmed directly with Bizak & Co. to ensure complete accuracy.

3. What is the case size of the Hublot Spirit of Big Bang 645.FX.8020.NR.SOA24?
The case measures 42mm, formed in the Spirit of Big Bang's signature tonneau shape. This size offers a strong wrist presence while remaining wearable across a range of wrist proportions.

4. Is the Hublot Spirit of Big Bang Sorai Grey Ceramic suitable for everyday wear?
The all-ceramic construction makes this watch extremely scratch-resistant and hypoallergenic, qualities that hold up well to regular wear. Its bold skeleton dial and limited-edition Sorai status also make it a natural choice as a dressed-up statement piece for special occasions.

5. What is the dial and case material on the 645.FX.8020.NR.SOA24?
The dial is fully skeletonized with index hour markers, giving a clear view into the movement beneath. The case, bezel, and bracelet are all crafted from grey ceramic, providing a cohesive monochromatic look with outstanding durability.

6. How can I buy the Hublot Spirit of Big Bang Sorai Grey 645.FX.8020.NR.SOA24 from Bizak & Co.?
You can purchase this Hublot Spirit of Big Bang Sorai Grey Ceramic 42mm directly at bizakandco.com or by contacting our team for personalized assistance. Bizak & Co. offers competitive pricing and expert guidance to make your purchase seamless and confident.

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90-Day Returns for Store Credit

Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

Read eligibility, condition requirements, and exclusions.

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U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

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