Description
Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT
Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT – Ultra-Luxury Violet Sapphire Timepiece
Celebrate 20 years of Hublot’s iconic Big Bang collection with the revolutionary Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT.
This limited-edition masterpiece redefines the limits of luxury, innovation, and technical excellence in modern horology.
Crafted entirely from violet sapphire crystal, this timepiece is a bold statement of avant-garde design, extreme transparency, and collectible sophistication.
Ultra-Transparent Sapphire Case – Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT
Every component of this watch—from the 44 mm case, bezel, caseback, crown, and pushers—is precision-cut from violet sapphire crystal, one of the hardest and most challenging materials in high-end watchmaking.
The sapphire construction provides exceptional scratch resistance, lightweight comfort, and a futuristic aesthetic that allows you to admire the intricacy of the skeletonized movement from every angle.
The sapphire’s violet hue gives the watch a unique character, making it a centerpiece of any luxury collection.

Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT – Mechanical Mastery
At the heart of the Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT is the HUB1201 MECA-10 manual-winding movement, a mechanical marvel featuring:
10-day (240-hour) power reserve displayed via a horizontal indicator
223 meticulously crafted components with 24 jewels
Frequency: 3 Hz (21,600 vibrations/hour)
Skeletonized design revealing the full architecture of the movement
Integrated micro-rotor for efficient energy management
This movement perfectly balances technical sophistication with visual beauty, allowing enthusiasts and collectors to appreciate both function and form in every glance.

Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT – Modern Elegance
The transparent skeletonized dial exposes the complex mechanics beneath, complemented by violet components that echo the sapphire case. This openworked design is not just visually striking but also highlights Hublot’s engineering prowess.
Bold hours and minutes hands ensure clear readability without compromising the aesthetic integrity of this avant-garde masterpiece.
Integrated Violet Rubber Strap – Comfort Meets Style
The watch is fitted with a transparent violet structured rubber strap, seamlessly integrated into the sapphire case. It offers all-day comfort while maintaining the women watch’s futuristic and bold appearance.
A titanium deployant buckle ensures secure wear and aligns with the high-tech aesthetics of the overall design.

Key Specifications – Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT
Brand: Hublot
Model: Big Bang 20th Anniversary “Master of Sapphire”
Reference: 424.JM.4890.RT
Case Material: Violet Sapphire Crystal
Case Diameter: 44 mm
Case Thickness: 15.30 mm
Crystal: Sapphire with anti-reflective coating
Dial: Skeletonized, transparent with violet components
Movement: HUB1201 MECA-10 Manual-Winding
Functions: Hours, Minutes, Small Seconds, Power Reserve Indicator
Power Reserve: 10 Days (240 hours)
Frequency: 3 Hz / 21,600 vibrations per hour
Components: 223
Jewels: 24
Strap: Transparent violet structured rubber
Clasp: Titanium deployant buckle
Water Resistance: 50 meters (5 ATM)
Special Features: Fully crafted violet sapphire, skeletonized dial, limited edition, cutting-edge horology
Limited Edition – Exclusivity at Its Finest
This extremely limited edition model embodies rarity and prestige. Owning a Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT places you among a select group of collectors who appreciate ultra-modern design, mechanical mastery, and colored sapphire innovation.
Its exclusivity ensures it’s not just a unisex watch, but a valuable collector’s piece likely to appreciate over time.

Buy with Reputable Cryptocurrency – Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT
The Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT represents the pinnacle of futuristic watchmaking—crafted from brilliant sapphire, powered by advanced engineering, and designed for collectors who demand rarity, innovation, and presence.
In line with Hublot’s forward-thinking philosophy, this exceptional timepiece can be purchased using reputable and globally recognized cryptocurrencies, offering a buying experience that is as modern and sophisticated as the watch itself.
Paying with crypto enables fast, borderless transactions, enhanced privacy, lower fees, and the ability to seamlessly combine luxury acquisition with the strategic use of digital assets.
This masterpiece can be purchased using Bitcoin, Ethereum, Tether, Monero, Litecoin, Ripple (XRP), Cardano, and other top-tier digital currencies—giving collectors unmatched flexibility and convenience.
Whether you’re a seasoned crypto investor, an enthusiast of modern luxury, or a connoisseur of haute horlogerie, acquiring the Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT becomes a simple, secure, and forward-looking process.
By choosing crypto payment options, you not only secure one of Hublot’s most visually stunning creations but also embrace the future of luxury commerce, where cutting-edge watchmaking and advanced digital finance come together in perfect harmony. Shop the Hublot Big Bang Tourbillon Automatic 20th Anniversary Sapphire

Why the Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT ?
Innovation: Ultra-transparent violet sapphire construction, skeletonized movement, and advanced micro-rotor mechanism
Mechanical Excellence: 10-day power reserve, precision manual-winding caliber HUB1201 MECA-10
Aesthetic Impact: Bold violet hue, futuristic design, integrated strap, and openworked dial
Exclusivity: Extremely limited edition, a rare gem for serious collectors
Future-Ready Purchase: Available for acquisition with cryptocurrencies, merging traditional horology with modern financial technology
Elevate your collection with Hublot Big Bang 20th Anniversary “Master of Sapphire” Reference 424.JM.4890.RT, a perfect blend of innovation, artistry, and digital-era luxury. Experience the next level of horology and make a statement with one of the most futuristic and collectible sapphire watches ever made.
“Own the future of horology with the Hublot Big Bang 20th Anniversary Master of Sapphire Reference 424.JM.4890.RT – a bold violet sapphire masterpiece you can acquire effortlessly using top-tier cryptocurrencies.”

















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