Roger Dubuis

Excalibur Spider – Skeleton automatic

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Excalibur Spider – Skeleton automatic
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Made of carbon, the timepiece is ultra light and extremely comfortable to wear, carbon being 10 times lighter than gold. Associated with a 18K pink gold fluted bezel, it is the perfect combination between a sport and elegant look


  • RD820SQ Automatic skeleton watch with micro-rotor
  • Self-winding mechanical calibre
  • Power reserve: 60 hours
  • Case: 45mm , Black DLC Titanium Titanium
  • Boutique exclusive model
  • Limited edition of 88 pieces
  • Stamped with the Poinçon de Genève

hours of power reserve


hours of manufacturing dedicated to this calibre


components in this calibre

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 movement with micro-rotor

About this calibre

Technical specifications

Inner & Outer casing

  • ReferenceRDDBEX0615
  • Case size: 45mm
  • Case:Black DLC Titanium Titanium
  • Dial:Black and golden skeleton dial, black flange with golden indexes filled with white luminous SLN, 18K Gold black PVD hands with golden transfer and white luminous SLN tips
  • Water Resistance:5BAR (50 m)

Strap & Clasp

  • Strap:Bi material strap with black rubber base and black calf inlay, beige stitching
  • Clasp:Titanium black DLC, Adjustable folding buckle


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