Roger Dubuis

Excalibur Automatic calibre

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Excalibur Automatic calibre
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Powerful and daring ‑ Excalibur is Roger Dubuis favorite platform of expression. Its aesthetic reveals, by its nature, a very modern and charismatic style. Displayed in titanium black DLC, the timepiece is as light as comfortable to wear, titanium being 4 times lighter than gold. This Timepiece is also remarkable as it houses a RD830 automatic caliber with a titanium oscillating weight.


  • RD830 Automatic caliber with date
  • Self-winding mechanical calibre
  • Power reserve: 48 hours
  • Case: 45mm ,

components in this calibre


BAR - Water Resistance


hours of power reserve

Label 88

Quality is not a compromise. Roger Dubuis makes it a priority in developing and implementing a strict quality control process composed of 88 tests. Those quality tests follow the most demanding and strictest criteria for quality and craftsmanship.

Automatic caliber with date

The latest‑generation, self‑winding mechanical movements.

About this calibre

Technical specifications

Inner & Outer casing

  • ReferenceRDDBEX0567
  • Case size: 45mm
  • Case:
  • Dial:Black galvanic satin sunburst dial
  • Water Resistance:5BAR (50 m)

Strap & Clasp

  • Strap:Black rubber strap, red stitching
  • Clasp:Stainless steel 316L and titanium black DLC, Adjustable folding buckle


  • Automatic caliber with date
  • Power reserve: 48 hours
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