Richard Mille RM 055 49.90×42.70mm RMUL2 Movement BBR Black Ceramic Skeleton Watch
The Richard Mille RM 055 by BBR delivers a striking combination of exposed mechanical architecture and contemporary sports styling. Its signature 49.90 x 42.70mm tonneau-shaped case is crafted in black ceramic, with a layered construction and exposed spline-style screws that emphasize the technical, engineered character of the design. A vivid red rubber strap and matching red-and-black crown add a dramatic contrast, giving the watch an unmistakable racing-inspired presence.
The skeleton dial places the movement architecture at the center of the design. Instead of relying on a conventional solid dial, the openworked layout reveals gears, bridges, transmission components, and structural elements across multiple visual levels. Silver-grey mechanical parts stand out against the darker framework, creating an impressive sense of depth while making the movement itself the main decorative feature.
Slim openworked hands minimize obstruction across the mechanical display, while luminous hour markers around the perimeter and red minute accents provide clear visual reference points. This combination allows the dial to remain highly technical and visually complex without losing its essential time-reading structure.
Paired with a flexible red rubber strap, the RM 055 balances intricate mechanical styling with a modern sporting character. The result is a bold statement piece for customers who appreciate skeleton watches, technical case construction, and the unmistakable wrist presence of Richard Mille’s tonneau-shaped design.
Key Advantages
- Fully openworked architecture makes the mechanical structure the visual centerpiece of the watch
- Black ceramic tonneau case creates a bold, technical, and distinctly modern appearance
- Red rubber strap delivers strong contrast while reinforcing the racing-inspired character
- Layered case construction and exposed spline-style screws enhance the engineered aesthetic
- Silver-grey movement components against the dark framework create impressive three-dimensional depth
- Luminous markers and red minute accents maintain visual reference points around the complex skeleton display
Technical Specifications
| Specification | Details |
|---|---|
| Brand / Series | Richard Mille RM 055 |
| Model | RM 055 |
| Factory | BBR |
| Type | Complex Mechanical Skeleton Watch |
| Case Size | 49.90 x 42.70 mm |
| Movement | RMUL2 Movement |
| Case Material | Black Ceramic |
| Dial | Skeleton Dial |
| Strap | Red 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. |








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