This replica spirit big bang 7170 blue in reference 642.NX.7170.RX sets a blue sunburst dial inside a brushed titanium tonneau case, giving the Spirit of Big Bang line one of its most balanced everyday configurations. Hublot built the Spirit platform around angular geometry and visible hardware, and the 642.NX version keeps those signatures while toning down the visual volume with a monochromatic blue-and-grey palette. The 42mm barrel shape reads slightly larger than round cases of the same diameter, but the lightweight titanium construction offsets that presence on the wrist.

Key Specifications

• Case material: brushed titanium
• Case dimensions: 42mm barrel-shaped
• Dial: blue sunburst with luminous applied indices
• Crystal: sapphire with anti-reflective coating
• Bezel: titanium with six H-shaped screws
• Strap: blue structured rubber
• Movement: automatic

The blue dial catches light across its flat and angled surfaces differently than it would on a round watch. Tonneau geometry creates longer diagonal planes that stretch the sunburst pattern, producing a visual depth that shifts as the wrist moves.

Design & Finishing

Brushed titanium on the case sides transitions to polished edges along the lugs, a finishing combination that adds dimension without the complexity of a multi-metal build. The six exposed bezel screws are a core Spirit of Big Bang detail, and here they sit flush in matching titanium rather than contrasting gold. The blue rubber strap uses a structured surface pattern for grip and breathability. Compare this titanium approach with the grey dial 642.NM.0170.RX, which shares the case material but swaps the blue for a neutral grey. Both sit within the Spirit of Big Bang collection as versatile daily options.

On the Wrist

Blue dials with titanium cases have become a staple pairing across multiple brands, but the tonneau shape gives this combination a different visual rhythm. The angular case breaks the symmetry that round blue-dial watches rely on, which reads more contemporary and less classical. Weight stays low enough to forget during a full working day, and the rubber strap allows quick transitions between office and weekend environments. This replica spirit big bang 7170 blue balances sport-watch engineering with everyday wearability in a shape that stands apart from the standard circular crowd.