Richard Mille RM 055 Manual-Winding RMUL2 Movement Watch
A bold skeletonized mechanical watch combining futuristic architecture with a clean white luxury-sports aesthetic. The distinctive tonneau-shaped case measures 49.9 × 42.7mm, creating a powerful wrist presence while preserving the curved profile associated with the RM 055 design.
The open-worked dial reveals a layered mechanical structure of bridges, gears, and supporting components. Dark internal elements contrast sharply with the white ceramic case, making the movement the visual centerpiece while maintaining the technical, performance-driven identity of the watch.
A white rubber strap completes the monochromatic exterior and provides a flexible fit for active daily wear. Protected by sapphire crystal and powered by a manual-winding RMUL2 movement, this model is designed for customers who appreciate exposed mechanics, unconventional case architecture, and modern high-end sports-watch styling.
Key Advantages
- Architectural skeleton dial makes the mechanical structure the main visual feature
- White tonneau-shaped case creates a distinctive futuristic profile
- Strong contrast between the light exterior and dark movement components
- Manual-winding operation provides a more engaging mechanical experience
- Curved case construction is designed to follow the natural shape of the wrist
- Flexible rubber strap supports comfortable luxury-sports wear
- Open-worked design offers changing visual depth from different viewing angles
- Ideal for collectors who prefer technical, expressive, and unconventional watches
Technical Specifications
| Specification | Details |
|---|---|
| Model | RM 055 |
| Watch Type | Skeletonized Mechanical Luxury Sports Watch |
| Case Dimensions | 49.9 × 42.7mm |
| Movement | Manual-Winding RMUL2 Movement |
| Winding System | Manual Winding |
| Dial Design | Open-Worked Skeleton Dial |
| Case Shape | Curved Tonneau-Shaped Case |
| Case Material | White Ceramic |
| Strap Material | White Rubber |
| Crystal | Sapphire Crystal |
| Water Resistance | Suitable for everyday splashes only. Not suitable for swimming or showering. Please refer to our Water Resistance Care Guide. |
| Core Design | White tonneau-shaped architecture surrounding an exposed mechanical structure with futuristic luxury-sports styling |
FAQ
1. Is the skeleton dial difficult to read?
Skeletonized watches prioritize mechanical visibility, so they can be more visually complex than conventional solid-dial watches. The contrasting hands and hour indicators help separate the time display from the movement beneath it.
2. Will the 49.9 × 42.7mm case fit a smaller wrist?
The curved tonneau-shaped case is designed to follow the natural contour of the wrist, helping the watch sit comfortably despite its bold dimensions. Its sculpted profile creates a distinctive presence while maintaining a balanced feel on the wrist.
3. Does white ceramic scratch easily?
Ceramic offers strong resistance to common surface scratches and usually maintains its color well. However, it can chip or crack after a hard impact, so the watch should not be dropped or struck against solid objects.








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