Hublot Big Bang Unico Titanium

The Hublot Big Bang Unico Titanium 421.NM.1170.RX is the flagship expression of Hublot's Art of Fusion philosophy — the fusion of unexpected materials, traditions, and aesthetics. Introduced in 2005, the Big Bang shook the watch world with its bold, layered design language and commitment to high-performance materials.

Movement

The HUB1242 Unico is Hublot's fully in-house developed and manufactured column-wheel flyback chronograph movement, visible through the skeleton dial. It offers a 72-hour power reserve and features a distinctive lateral rotor through the sapphire display caseback.

Key Specifications

• Case: 42mm Grade 2 titanium, polished and satin-brushed
• Bezel: Titanium with 6 H-shaped titanium screws
• Dial: Skeleton, revealing the Unico movement
• Strap: Natural rubber integrated strap, interchangeable
• Water Resistance: 100 metres / 330 feet
• Functions: Hours, minutes, small seconds, date, flyback chronograph (30 min / 12 hr)

Titanium's combination of extreme lightness (approximately 35g on wrist) and exceptional strength makes the Big Bang Unico Titanium a remarkable wearing experience. The skeleton dial creating a window into the chronograph mechanism is Hublot's declaration: we have nothing to hide.