Roger Dubuis

Automatic skeleton

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Automatic skeleton
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Technical excellence and powerful design are the signature characteristics of the Excalibur collection. Embodying an expression of style and watchmaking mastery, the deliberately extravagant line is driving fine watchmaking towards whole new horizons. It captures the spirit of Roger Dubuis so completely that it has become the real icon of the brand. In the tradition of excellence that has forged the brand’s reputation, each model in the Excalibur collection meets the new requirements of the Poinçon de Genève.


  • RD820SQ Automatic skeleton watch with micro-rotor
  • Self-winding mechanical calibre
  • Power reserve: 60 hours
  • Case: 42mm , Carbon
  • Stamped with the Poinçon de Genève

BAR - Water Resistance


hours of manufacturing dedicated to this calibre


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Poinçon de Genève

The ultimate guarantee of the finest traditional watchmaking. Roger Dubuis makes it a priority, when producing this timepiece, to follow only the most demanding & strictest criteria for quality and craftsmanship.

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Automatic skeleton watch with micro-rotor

The first automatic skeleton watch of Roger Dubuis with micro-rotor movement

About this calibre

Technical specifications

Inner & Outer casing

  • ReferenceRDDBEX0508
  • Case size: 42mm
  • Case:Carbon
  • Dial:Skeleton
  • Water Resistance:3BAR (30 m)

Strap & Clasp

  • Strap:Black strap, genuine alligator
  • Clasp:Black DLC titanium adjustable folding clasp


  • Automatic skeleton watch with micro-rotor
  • Power reserve: 60 hours
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