Roger Dubuis Excalibur Skeleton Tourbillon RDDBEX0940
Original price was: $2,499.00.$1,659.00Current price is: $1,659.00.
For a buyer who wants the boldest Excalibur expression, this RDDBEX0940 is the right pick. The rose gold tone case, vivid blue chapter ring, and blue camouflage rubber strap give it a sharper visual identity than a plain black-strap skeleton version, while the flying tourbillon keeps the dial from feeling decorative only. The 42mm size also matters here, because it lets the star-bridge architecture stay dramatic without becoming oversized on the wrist. The detailed description is worth reading for how this specific color balance changes the whole watch.
The blue ring is what makes this RDDBEX0940 land so well
At a glance, the strongest detail is not the tourbillon but the electric blue inner flange framing the openworked dial. It gives the watch a clear perimeter, so the skeleton layout reads with structure instead of visual clutter. Against the rose gold tone case, that blue ring creates the contrast that makes this particular Excalibur feel deliberate and modern. If you are comparing it with darker skeleton pieces on plain straps, this one has a much more defined personality on the wrist.
The case is listed at 42mm, which is an important size for this design. Excalibur skeleton watches rely on visual spread across the dial, and 42mm gives the bridges enough room to breathe while staying more versatile than the larger executions many collectors associate with the line. For US and European buyers who want the architecture and presence of an Excalibur without moving into an oversized wearing experience, that balance is part of the appeal.
Rose gold tone case and notched bezel give it its edge
The Excalibur case shape is defined by hard geometry, and this example leans into that. The sharply notched bezel, broad lugs, and fluted crown all work better in rose gold tone than they would in steel because the warmer finish highlights each break in the case lines. On the wrist, this gives the watch a sculptural quality rather than just a flashy one.
The crystal is listed as scratch-resistant sapphire, which is especially relevant on a skeleton watch because glare and surface haze can quickly weaken the dial effect. Here, the clear view into the movement is part of the ownership experience. The crystal and open display work together to preserve the depth between the chapter ring, bridges, gear train, and tourbillon opening.
The strap changes the entire character of the watch
One reason this version stands apart is the rubber strap. Instead of a plain blue band, it uses a blue, black, and grey camouflage-style pattern that gives the watch a more contemporary, less formal attitude. That makes sense with the exposed mechanics. A plain strap would make the watch feel more conventional than it really is; this one keeps the overall design coherent from case to buckle.
The strap is described as natural rubber, and the fitted integration into the lugs is a real advantage visually. There is no awkward gap to interrupt the case shape, so the watch keeps its strong silhouette from top to bottom. The visible black folding clasp keeps the strap hardware tied to the dark movement bridges and black sections of the camouflage pattern.
If you are considering this reference, the decision is really about whether you want your skeleton tourbillon to read as technical only or technical with strong color identity. This RDDBEX0940 does the second job better than most, because the blue ring and patterned strap are bold enough to frame the movement without competing with it.
Watch specification
Configuration summary for this watch
| Brand | Roger Dubuis |
|---|---|
| Movement | RD509SQ manual-winding movement, 70-hour power reserve |
| Case Material | 18K rose gold plated 316L steel |
| Crystal | Scratch-resistant sapphire crystal |
| Bracelet | Blue camouflage-pattern rubber strap |
| Water Resistance | >10 meters |
Buyer Q&A
Questions about this Roger Dubuis watch
What makes this RDDBEX0940 different from a simpler skeleton Excalibur on a plain strap?
This version stands out through contrast. The blue chapter ring gives the open dial a strong frame, and the blue camouflage-pattern rubber strap makes the watch feel more contemporary than the same case and movement layout on a plain dark strap.
Is the tourbillon actually visible from the front?
Yes. The flying tourbillon is positioned in the lower portion of the dial and remains fully visible through the skeletonized front, so it is a constant part of the watch’s display rather than a small background detail.
How does the 42mm size suit this design?
At 42mm, the watch keeps the broad Excalibur architecture and openworked dial easy to appreciate, while staying more manageable than larger skeleton sports pieces. That size is a big part of why this reference feels balanced instead of overwhelming.
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