The Excalibur 36 Jewellery collection is distinguished by a row of 48 diamonds set on the bezel.


  • Set with brilliant-cut diamonds (0.99 ct approx.)
  • RD821 Automatic
  • Self-winding mechanical calibre
  • Power reserve: 48 hours
  • Case: 36mm, Gem-set Stainless steel
  • Stamped with the Poinçon de Genève

hours of power reserve


components in this calibre


BAR - Water Resistance

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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The latest-generation, self-winding mechanical movements

About this calibre

Technical specifications

Inner & Outer casing

  • Reference RDDBEX0378
  • Case size: 36mm
  • Case: Gem-set Stainless steel
  • Dial: Blue satin sunburst
  • Water Resistance: 3 BAR (30 m)

Strap & Clasp

  • Strap: Brillant Ultra Marine Blue, genuine alligator
  • Clasp: Folding clasp in stainless steel


  • Automatic
  • Power reserve: 48 hours
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