Hublot Spirit of Big Bang Titanium 45mm – Where Innovation Meets Elegance
Reference: 601.NX.0173.LR
Bold, lightweight, and mechanically sophisticated, the Hublot Spirit of Big Bang Titanium 45mm is a stunning testament to contemporary watchmaking. Its brushed and satin-finished titanium case, accented with polished beveled edges, exudes modern strength and sleek refinement.
At its core lies a transparent sapphire crystal dial that reveals the inner architecture of the movement. Brushed stainless steel hands with luminous-filled tips and skeletonized bases offer clarity and character. The applied hour markers, also brushed stainless steel with luminous fill, further enhance legibility and depth.
Surrounding the dial is a black inner bezel flange with a vivid red minute/seconds track that adds contrast and sporty edge. A small seconds sub-dial rests at 9 o’clock, while the skeletonized date wheel displays the current date between 4 and 5 o’clock—framed by a black background and blue border.
Chronograph Functionality
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Large central chronograph seconds hand with signature “H” logo counterweight
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30-minute sub-dial at 3 o’clock
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12-hour sub-dial at 6 o’clock
Exceptional Craftsmanship
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Fixed titanium bezel with dark-toned microblasted recessed zones
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Secured by six polished H-shaped titanium screws
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Crown and chronograph pushers in brushed and polished titanium with black inserts
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Hublot logo–engraved crown with pull/push operation
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Sapphire crystal with anti-reflective coating for clarity and durability
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Exhibition case back in sapphire reveals the movement in full detail
Movement
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Hublot Caliber HUB4700 – automatic skeleton chronograph
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31 jewels
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Power reserve: approximately 50 hours
Strap & Clasp
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Black “Gummy Alligator” strap: alligator leather upper with stitched black rubber lining
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Secured by a titanium deployant buckle clasp
Specifications
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Case size: 51mm x 45mm
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Material: Titanium
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Dial: Transparent sapphire crystal
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Bezel: Fixed, titanium, silver-toned
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Crystal: Scratch-resistant sapphire with AR coating
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Movement: Automatic, self-winding mechanical
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Functions: Hours, Minutes, Seconds, Date, Chronograph
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Water resistance: Up to 100m / 330ft (10 ATM)
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Warranty: Remaining balance of Hublot International Warranty
Hublot e-Warranty – A Digital Future
All new Hublot timepieces are covered under the Hublot e-Warranty system, which replaces traditional paper or plastic documentation. Powered by the AURA Blockchain, this advanced system authenticates each watch through its unique material microstructure.
