Hublot Spirit of Big Bang 642.CI.0170.RX 42mm HUB4700 Skeleton Automatic Chronograph Watch
A striking 42mm luxury sports chronograph built around the distinctive tonneau-shaped profile of the Hublot Spirit of Big Bang. The dark titanium-and-resin construction, exposed H-shaped screws, metallic structural details, and black rubber strap create a bold industrial appearance with a strong contemporary edge.
The openworked skeleton dial is the visual centerpiece of the watch, revealing layers of gears, bridges, and mechanical components beneath the time display. Applied silver-tone baton hour markers and broad hands sit above the intricate movement architecture, providing clear contrast while preserving the technical depth of the dial.
Multiple chronograph subdials, a date display positioned between approximately 4 and 5 o’clock, and a detailed outer minute track reinforce the performance-focused character. Powered by the HUB4700 automatic mechanical movement and protected by sapphire crystal, this model is designed for customers who want their watch to showcase its mechanical construction as prominently as its timekeeping functions.
Key Advantages
- Distinctive tonneau-shaped case stands apart from traditional round sports watches
- Openworked skeleton dial turns the mechanical structure into the main visual feature
- Dark grey and black styling creates a modern, technical luxury appearance
- Layered movement architecture gives the dial exceptional depth and detail
- Silver-tone markers and broad hands maintain strong visual contrast over the skeletonized background
- Chronograph subdials add a dynamic performance-inspired character
- Black rubber strap provides a comfortable balance to the angular case design
- Ideal for collectors who prefer bold, architectural, and mechanically expressive watches
Technical Specifications
| Specification | Details |
|---|---|
| Brand / Series | Hublot Spirit of Big Bang |
| Model | 642.CI.0170.RX |
| Watch Type | Luxury Automatic Mechanical Skeleton Chronograph Watch |
| Case Size | 42mm |
| Movement | HUB4700 Automatic Mechanical Movement |
| Dial | Openworked Skeleton Chronograph Dial |
| Case Shape | Tonneau-Shaped |
| Case Material | Titanium and Resin Construction |
| Bezel Details | Dark Bezel with Exposed H-Shaped Screws |
| Hour Markers | Applied Silver-Tone Baton Markers |
| Chronograph Display | Multi-Subdial Mechanical Chronograph Layout |
| Date Display | Date Window Between Approximately 4 and 5 O’clock |
| Strap | Black Rubber Strap |
| Crystal | Sapphire Crystal |
| Water Resistance | Suitable for everyday splashes only. Not suitable for swimming or showering. Please refer to our Water Resistance Care Guide. |
| Design Theme | Tonneau-Shaped Architecture with Exposed Mechanical Skeleton Chronograph Styling |
FAQ
1. What makes the Spirit of Big Bang different from a traditional Big Bang?
The Spirit of Big Bang is immediately recognizable by its tonneau-shaped case rather than the traditional round profile. This gives the watch a more architectural and unconventional appearance while maintaining the bold mechanical character associated with the Big Bang family.
2. Can you actually see the mechanical components through the dial?
Yes. The openworked skeleton dial exposes a large portion of the movement architecture, allowing gears, bridges, and other mechanical components to become part of the visible design.
3. Is the skeleton dial still easy to read?
The dial is intentionally detailed, but the applied silver-tone baton markers and broad central hands create contrast over the darker mechanical background, helping the main time display remain visually distinct.
4. How does the tonneau-shaped 42mm case wear on the wrist?
The tonneau shape gives the watch a broad and distinctive wrist presence without relying on an oversized round case. Its curved profile and rubber strap help the design follow the wrist while maintaining its bold architectural look.
5. What materials are used for the case?
The case combines titanium and resin, creating a technical, contemporary appearance that complements the dark skeleton dial. Metallic surfaces and exposed H-shaped screws add contrast and strengthen the industrial character of the design.
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