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

components in this calibre


BAR - Water Resistance


hours of manufacturing dedicated to 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 with micro-rotor movement

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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