Spirit of Big Bang Tourbillon Sorai Ref. 645.FX.8020.NR.SOA24

Hublot Spirit of Big Bang Tourbillon SORAI 42 mm

Overview

The Hublot Spirit of Big Bang Tourbillon SORAI 42 mm is a powerful fusion of fine watchmaking and conservation. Created in partnership with SORAI (Save Our Rhinos Africa India), this limited edition in polished orange ceramic with a skeletonized tourbillon movement embodies Hublot’s Art of Fusion and its commitment to global causes. Each piece directly supports the preservation of endangered rhinos.

Design & Materials

• Case: 42 mm polished and satin-finished bright orange ceramic, lightweight and highly resistant.
• Bezel: Orange ceramic bezel with 6 H-shaped titanium screws.
• Dial: Skeletonized sapphire dial revealing the flying tourbillon at 6 o’clock, with rhino motif detail.
• Caseback: Sapphire exhibition back, engraved with “SORAI” logo and “Limited Edition.”
• Straps: Interchangeable black rubber strap with orange stitching and an additional orange fabric strap, both using the One-Click system.
• Aesthetic: Bold and humanitarian – combining avant-garde orange tones with the artistry of haute horlogerie.

Movement

• Caliber: HUB6020 – skeleton tourbillon manual-winding movement designed for the barrel-shaped case.
• Functions: Hours, minutes, and flying tourbillon at 6 o’clock.
• Power Reserve: Approx. 115 hours (5 days).
• Features: Openworked bridges for maximum transparency and architectural beauty.

Technical Specifications

• Reference: 645.CU.0111.RX.SOA24
• Collection: Spirit of Big Bang
• Case: 42 mm polished orange ceramic
• Bezel: Orange ceramic with titanium screws
• Dial: Skeletonized with rhino motif, flying tourbillon at 6 o’clock
• Crystal: Sapphire with anti-reflective treatment
• Caseback: Sapphire with SORAI engraving
• Water Resistance: 30 m / 3 ATM
• Strap: Black rubber with orange stitching + additional orange fabric strap
• Clasp: Titanium deployant buckle clasp
• Limited Edition: 100 pieces worldwide
• Condition: New / Unworn
• Box & Papers: Complete Hublot presentation box and warranty card

Prestige & Value

The Spirit of Big Bang Tourbillon SORAI is more than a watch – it is a statement of purpose. By combining a bold orange ceramic design with a skeletonized tourbillon movement, Hublot creates a masterpiece of horology while supporting rhino conservation. A collector’s timepiece with both rarity and meaning, it reflects innovation, artistry, and humanitarian commitment.