Hublot 42mm “Limited 500 pieces” Big Bang Unico Sapphire

Case – 42mm / Polished Sapphire Crystal.
Case back – Transparent.
Bezel – Polished Sapphire Crystal with 6 H-shaped Titanium Screws.
Dial – Polished Transparent Composite Resin Skeleton Dial.
Strap – Transparent Structured Lined.
Clasp – Titanium Deployant Buckle.
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Water Resistance – 50m.
Functions – Manufacture Self-winding Chronograph Flyback Movement with Column Wheel.
Power Reserve – 72 Hours