Richard Mille RM 055 49.90×42.70mm RMUL2 Movement Black Ceramic Skeleton Watch
The Richard Mille RM 055 combines a stealth-inspired black exterior with warm rose gold-tone accents and fully exposed mechanical architecture. Its signature tonneau-shaped profile delivers the bold, engineered character associated with the RM 055, while exposed spline-style screws around the bezel reinforce the watch’s technical and motorsport-inspired identity.
The skeleton dial places the movement itself at the center of attention. Gears, bridges, transmission components, and structural elements remain visible across multiple layers, creating strong three-dimensional depth. Dark mechanical sections are contrasted by rose gold-tone details around the inner dial and hands, bringing warmth and definition to the otherwise monochromatic composition.
Circular hour markers and the outer minute scale provide clear visual reference points around the openworked display, while slim skeletonized hands minimize obstruction over the movement. Rose gold-tone detailing around the crown echoes the accents inside the dial, giving the design a more coordinated and refined finish.
With its black-on-black exterior and carefully placed metallic highlights, this RM 055 offers a more understated interpretation of the collection’s aggressive sports aesthetic while retaining the dramatic mechanical presence that defines the model.
Key Advantages
- Stealth black-on-black styling gives the RM 055 a powerful yet sophisticated appearance
- Rose gold-tone accents introduce warmth and visual separation within the dark mechanical architecture
- Openworked construction transforms the exposed movement into the main decorative element
- Layered bridges and mechanical components create strong depth across the dial
- Exposed case screws reinforce the precision-engineered and motorsport-inspired character
- Coordinated crown and dial accents add a refined finishing touch to the rugged sports design
Technical Specifications
| Specification | Details |
|---|---|
| Brand / Series | Richard Mille RM 055 |
| Model | RM 055 |
| Type | Complex Mechanical Skeleton Watch |
| Case Size | 49.90 x 42.70 mm |
| Movement | RMUL2 Movement |
| Case Material | Black Ceramic |
| Dial | Skeleton Dial |
| 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. |








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