Unworn, Hublot Spirit of Big Bang Titanium Coal Blue, Ref# 642.NX.717B.RX, box and papers.

Hublot Spirit of Big Bang Titanium Coal Blue, ref. 642.NX.717B.RX, combines the distinctive tonneau-shaped architecture of the Spirit of Big Bang with lightweight Grade 5 titanium and a sophisticated Coal Blue colour scheme. The satin-finished and polished 42 mm titanium case is complemented by a matching titanium bezel with six signature H-shaped screws. Its stamped satin-finished Coal Blue “Carbon Effect” dial reveals the mechanical depth of the high-frequency HUB4700 skeleton chronograph. Derived from the legendary El Primero architecture, this automatic calibre operates at 5 Hz for precise chronograph timing and offers approximately 50 hours of power reserve. Condition: unworn in like-new condition, comes with original box and papers, including dated warranty documents.

TECHNICAL DATA

• MOVEMENT

• HUB4700 self-winding Skeleton Chronograph
• Integrated high-frequency automatic chronograph
• Silicon regulating element
• Frequency: 5 Hz / 36,000 vph
• Chronograph precision to 1/10th second
• Approx. 50-hour power reserve

• CASE

• Satin-finished and polished Grade 5 titanium
• Satin-finished, polished and microblasted titanium bezel
• Six H-shaped titanium bezel screws
• Coal Blue stamped satin-finished “Carbon Effect” dial
• Sapphire crystal with anti-reflective treatment
• Water resistance: 10 ATM / 100 m

• DIMENSIONS

• Case diameter: 42 mm
• Signature tonneau-shaped Spirit of Big Bang architecture
• Lightweight Grade 5 titanium construction

• STRAP

• Coal Blue structured rubber straps
• Titanium deployant buckle clasp
• Integrated sporty strap design
• Flexible rubber construction for secure and comfortable everyday wear

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