Roger Dubuis

Excalibur Automatic calibre

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Excalibur Automatic calibre
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Displayed in titanium black DLC set with 48 blue sapphires (1.00 ct) and accesorized with a high end blue alligator strap, this astonishing Timepiece shows a great and balanced contrast between a feminine and sporty look.


  • RD830 Automatic caliber with date
  • Self-winding mechanical calibre
  • Power reserve: 48 hours
  • Case: 36mm , Black DLC Titanium Titanium
  • Limited edition of 88 pieces

components in this calibre


Limited edition


BAR - Water Resistance

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

  • ReferenceRDDBEX0612
  • Case size: 36mm
  • Case:Black DLC Titanium Titanium
  • Dial:Blue PVD satin sunburst dial, rhodium plated roman numerals, 18K white gold dauphine hands
  • Water Resistance:5BAR (50 m)

Strap & Clasp

  • Strap:blue alligator strap
  • Clasp:Titanium black DLC, Adjustable folding buckle


  • Automatic caliber with date
  • Power reserve: 48 hours
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