Description
Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT
Hublot Big Bang 20th Anniversary “Master of Sapphire” Blue Sapphire – A Fusion of Transparency, Innovation, and Haute Horlogerie
Marking 20 years of the iconic Big Bang collection, Hublot presents the Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT—a timepiece that pushes the boundaries of watchmaking design, materials, and mechanical ingenuity.
This model is not merely a watch; it is a bold statement of luxury, technical mastery, and visionary craftsmanship.
Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT – Revolutionary Sapphire Construction
Hublot has elevated sapphire crystal from a mere watch component to a fully structural element of horology. Every key element of this 44mm masterpiece—the case, bezel, caseback, integrated bracelet, and deployant clasp—is meticulously crafted from polished blue sapphire crystal.
This material, one of the hardest and most difficult to machine in the world, ensures exceptional scratch resistance, durability, and an almost magical transparency.
The blue tint enhances the ethereal appearance, creating an architectural effect that makes the watch appear both lightweight and sculptural, with a futuristic elegance unmatched in the luxury watch industry.

Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT – The Heart of the Watch
Inside, the HUB6035 manufacture automatic caliber powers this extraordinary piece. The movement is fully visible through the transparent sapphire case and skeletonized dial, highlighting Hublot’s meticulous attention to mechanical and visual harmony.
The flying tourbillon is mounted with cantilevered precision, appearing to float within the movement, while the micro-rotor ensures efficient winding and adds to the visual rhythm of this mechanical marvel.
The watch boasts a 72-hour power reserve, ensuring reliability and performance alongside its artistic complexity.
Masterful Design – Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT
Case Diameter: 44 mm
Case Material: Polished Blue Sapphire Crystal
Crystal: Sapphire with anti-reflective coating
Dial: Transparent skeletonized, emphasizing movement architecture
Movement: HUB6035 Manufacture Automatic with Micro-Rotor
Functions: Hours, Minutes, Flying Tourbillon
Power Reserve: Approx. 72 hours
Bracelet: Integrated Blue Sapphire Bracelet
Clasp: Sapphire Crystal Deployant
Water Resistance: 30 meters (3 ATM)
Special Features: Full sapphire construction, ultra-transparent design, limited edition celebrating 20th anniversary of Big Bang, exquisite skeletonized movement

Limited Edition Excellence – Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT
The Blue Sapphire edition is produced in an extremely limited quantity, making it a rare and highly collectible piece for connoisseurs and collectors of haute horlogerie.
Every facet of the watch—from the polished surfaces to the intricate skeletonized movement—demonstrates Hublot’s pioneering mastery in colored sapphire engineering and precision craftsmanship.
This unisex watch is a testament to two decades of innovation, capturing the essence of Hublot’s “Art of Fusion” philosophy by seamlessly combining technical mastery with avant-garde design.

Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT – The Future of Luxury Meets Cryptocurrency
Modern luxury is evolving, and the Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT stands at the perfect intersection of exclusivity and technological innovation. Crafted from radiant sapphire and built with Hublot’s signature mastery of materials, this extraordinary timepiece represents the highest level of contemporary haute horlogerie.
Understanding the needs of today’s collectors, Hublot extends its forward-thinking approach into the realm of digital finance—allowing the Big Bang 20th Anniversary Master of Sapphire to be purchased using the world’s most reputable cryptocurrencies.
This modern payment option provides a range of benefits, including fast and borderless transactions, enhanced privacy, lower transfer fees, and the ability to strategically use digital assets when acquiring a prestigious luxury watch.
Collectors can purchase the Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT using leading cryptocurrencies such as Bitcoin, Ethereum, Tether, Monero, Litecoin, Ripple (XRP), Cardano, and other top-tier digital currencies—offering unmatched flexibility and a seamless buying experience tailored to the modern luxury investor.
For discerning clients who value exclusivity, innovation, and convenience, this is more than a purchase—it is a statement. Acquiring the Hublot Big Bang 20th Anniversary Master of Sapphire with crypto reflects the future of luxury commerce, where exceptional craftsmanship meets cutting-edge digital freedom. See the Hublot Big Bang Tourbillon Chronograph 20th Anniversary Water Blue Sapphire

Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT – Why Collectors Covet It
Owning the Hublot Big Bang 20th Anniversary “Master of Sapphire” Blue Sapphire means holding more than a watch—it is possessing a wearable sculpture, a technological innovation, and a forward-looking investment.
Its transparency, skeletonized artistry, and rarity make it not just a display of time, but a showcase of Hublot’s 20-year journey in redefining contemporary luxury horology.
Each glance reveals a meticulous interplay of light, movement, and technical sophistication that is truly beyond conventional watchmaking.
This Blue Sapphire edition is ideal for collectors seeking a combination of:
Innovation in material and design
Exclusivity through limited production
Mechanical artistry visible in a fully skeletonized movement
Modern purchasing options via trusted cryptocurrencies
Owning this piece ensures you are part of the elite few who appreciate Hublot’s cutting-edge approach to watchmaking, where engineering, artistry, and digital innovation converge.
“Own the Future of Luxury: Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JL.4890.RT—Exclusively Available for Purchase with Trusted Cryptocurrencies!”
















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