🔹 Overview

The H Spirit of Big Bang Titanium Ceramic Ref. 601.NM.0173.LR is a striking reinterpretation of H’s signature design, presented in a bold tonneau-shaped case that perfectly embodies the brand’s “Art of Fusion” philosophy. Crafted from lightweight titanium and polished black ceramic, this 51 x 45 mm chronograph represents innovation, power, and avant-garde craftsmanship at its finest.

💎 Key Specifications

• Movement: Automatic HUB4700 skeleton chronograph, ~50-hour power reserve, 5 Hz (36,000 vph)

• Functions: Hours, minutes, small seconds, chronograph, date

• Case: Titanium tonneau-shaped case, 51 mm x 45 mm, water-resistant to 100 m

• Bezel: Polished black ceramic with 6 H-shaped titanium screws

• Dial: Skeletonized, with luminous gold-plated hands & markers; chronograph subdials; optional orange accents

• Strap: Black alligator leather stitched onto black rubber, titanium deployant clasp

• Crystal: Sapphire with anti-reflective coating, exhibition case back

✅ Key Highlights

• Distinctive Spirit of Big Bang tonneau design — a bold evolution of the iconic Big Bang

• Fusion of titanium and ceramic for strength, lightness, and modern appeal

• Powered by the HUB4700 high-frequency chronograph movement based on Zenith’s legendary El Primero

• 36,000 vph for exceptional precision and smooth chronograph performance

• Skeleton dial showcasing dramatic mechanical depth with sporty, luxurious detailing

• Hybrid strap combining alligator leather & rubber for comfort, resilience, and elegance