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Spirit OF Big Bang Titanium Coal Blue 42MM
Big Bang

Spirit OF Big Bang Titanium Coal Blue 42MM

Ref. 642.NX.717B.RX

A powerful testament to contemporary aesthetics and high-end barrel-shaped watchmaking, this exceptional timekeeper from Hublot's latest novelties embraces a moody, sophisticated "Coal Blue" silhouette. Blending a lightweight 42mm Grade 5 Titanium framework with a unique carbon-effect dial and a high-frequency 5Hz skeletonized chronograph movement, this masterpiece projects a commanding mechanical brilliance on the wrist.

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Authenticity guaranteed — independently authenticated before it reaches the shelf.
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5-year warranty, lifetime servicing
Specifications
Material Grade 5 Titanium.
Movement HUB4700 (Automatic Skeleton Chronograph).
Case size 42mm (Tonneau profile).
Dial Coal Blue Carbon Effect Skeleton.
Strap Coal Blue structured rubber straps.
Condition New.

LIGHTWEIGHT GRADE 5 TITANIUM ARCHITECTURE IN AN ADVANCED TONNEAU SILHOUETTE

This exceptional timepiece projects absolute dominance through its signature 42mm barrel-shaped (Tonneau) multi-layered sandwich case, beautifully sculpted from premium Grade 5 Titanium. Celebrated for providing the highest strength-to-weight ratio of any metallic matrix, this aerospace-grade material features a masterful interplay of satin-brushed surfaces and highly polished beveled facets, radiating a sophisticated, slightly bluish metallic sheen. The robust bezel incorporates an advanced microblasted matte treatment to enrich its multi-dimensional texture, punctuated by 6 iconic H-shaped titanium screws. Beyond its extreme lightness and hypoallergenic comfort on the skin, this titanium shell guarantees superior daily resistance to corrosion. Fitted with a color-matched coal blue structured rubber strap and a premium titanium deployment clasp, the structure ensures an impressive and robust 100m water resistance (10 ATM).

CARBON-EFFECT COAL BLUE 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, elevated by a stamped satin-finished frame in an ultra-modern “Coal Blue” carbon effect. This technical skeletonized layout is meticulously engineered to keep the comprehensive chronograph readings perfectly clean and highly scannable, displaying sub-dials for chronograph tracking, 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 coal 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 global elite 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: Satin-finished and polished Grade 5 Titanium; 42mm diameter (Tonneau profile).
  4. Bezel: Satin-finished, polished, and microblasted Grade 5 Titanium secured by 6 H-shaped titanium screws.
  5. Dial: Sapphire crystal with Stamped Satin-finished Coal Blue “Carbon Effect” appliques.
  6. Crystal: Sapphire with advanced anti-reflective treatment.
  7. Strap: Coal Blue structured 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.

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