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Spirit OF Big Bang Sapphire Blue 42MM
Big Bang

Spirit OF Big Bang Sapphire Blue 42MM

Ref. 642.JX.7170.RX

A breathtaking revolution in material expression and high-end barrel-shaped watchmaking, this exceptional timekeeper—strictly limited to 200 pieces worldwide—is part of Hublot's latest avant-garde novelties. Blending a full polished synthetic sapphire crystal case with a vibrant blue structured lined rubber strap and a high-frequency 5Hz skeletonized chronograph movement, this masterpiece projects an otherworldly mechanical brilliance on the wrist.

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5-year warranty, lifetime servicing
Specifications
Material Synthetic Sapphire Crystal.
Movement HUB4700 (Automatic Skeleton Chronograph).
Case size 42mm (Tonneau profile).
Dial Transparent Sapphire Skeleton.
Strap Blue structured lined rubber straps.
Condition New (Limited Edition 200 pcs).

FLAWLESS TRANSPARENT SAPPHIRE CRYSTAL ARCHITECTURE IN AN ADVANCED TONNEAU PROFILE

This exceptional timepiece projects absolute dominance through its signature 42mm barrel-shaped (Tonneau) multi-layered sandwich case, beautifully sculpted from premium synthetic Sapphire Crystal. In its continuous quest to achieve the perfect fusion between casing and movement, Hublot’s master engineers diamond-machine this incredibly hard crystal lattice into a flawless, clear protective capsule. The full polished mirror finish allows light to pass completely through the multi-layered framework, transforming the internal mechanical components into a floating kinetic sculpture. Possessing a mineral hardness second only to diamond, this pure sapphire shell ensures uncompromised daily scratch resistance. Paired with a vibrant blue structured lined rubber strap and a premium titanium deployment clasp, the high-concept structure guarantees an impressive and robust 100m water resistance (10 ATM), secured by 6 iconic H-shaped titanium screws.

TRANSPARENT SAPPHIRE INTERFACE AND THE ANTHOLOGY OF HIGH-FREQUENCY MECHANICS

The visual soul of this creation is beautifully laid bare through its minimalist transparent sapphire crystal dial. This highly technical skeletonized interface is meticulously engineered to keep the comprehensive chronograph readings perfectly clean and highly scannable, displaying sub-dials for chronograph minutes and hours, a continuous running seconds counter, and a discrete date window at 4:30. The applied indices and bold baton hands are accented with color-matched blue details and stand out in sharp relief against the intricate gear train below, generously treated with premium luminescent material to guarantee absolute legibility under any lighting condition.

MANUFACTURE CALIBRE HUB4700: MECHANICAL DOMINANCE WITH INTEGRATED SILICON TECHNOLOGY

Ensuring absolute reliability and precision is the mechanical self-winding Calibre HUB4700 skeleton chronograph movement, the proud successor to the legendary El Primero caliber of 1969. As the first integrated automatic chronograph movement to operate at a blazing frequency of 5Hz (36,000 alternations per hour), this engine allows an official timing accuracy down to 1/10th of a second. In a perfect fusion of heritage and watchmaking innovation, this entirely open-worked caliber is enhanced with high-tech silicon regulating components, unlocking anti-magnetic avant-garde performance and unparalleled rate stability. Maintaining a reliable 50-hour power reserve, this self-winding mechanism stands as a legendary hallmark of modern luxury, curated strictly for the elite global collector.

TECHNICAL SPECIFICATIONS

  1. Movement: HUB4700 Self-winding Skeleton Chronograph Movement (5Hz, 36,000 vph).
  2. Functions: Hours, minutes, central chronograph seconds with 1/10th of a second accuracy; Chronograph sub-dials; Date display at 4:30.
  3. Case: Full Polished Synthetic Sapphire Crystal; 42mm diameter (Tonneau profile).
  4. Bezel: Polished Sapphire Crystal secured by 6 H-shaped titanium screws.
  5. Dial: Transparent Sapphire Crystal face featuring blue-accented markers and luminescent hands.
  6. Crystal: Sapphire with advanced anti-reflective treatment.
  7. Strap: Blue structured lined rubber straps.
  8. Clasp: Titanium deployant buckle clasp.
  9. Water Resistance: 100m or 10 ATM.
  10. Power Specs: Silicon regulating organ, high-frequency execution, approx. 50-hour power reserve.
  11. Limited Edition: Strictly limited to 200 pieces worldwide.

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