Roger Dubuis

Excalibur Automatic calibre

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Excalibur Automatic calibre
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Displayed in 18K pink gold and set with 60 white diamonds (1.25 ct), this Timepiece is the perfect match between timeless sophistication and modernity.


  • RD830 Automatic caliber with date
  • Self-winding mechanical calibre
  • Power reserve: 48 hours
  • Case: 42mm , Pink gold

BAR - Water Resistance


hours of power reserve


components in this calibre

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

  • ReferenceRDDBEX0578
  • Case size: 42mm
  • Case:Pink gold
  • Dial:Silver sunburst dial, black roman numerals, silver circular brushed flange with black indexes, 18K pink gold dauphine hands
  • Water Resistance:3BAR (30 m)

Strap & Clasp

  • Strap:Brown alligator strap, brown stitching
  • Clasp:18K pink gold, pin buckle


  • Automatic caliber with date
  • Power reserve: 48 hours
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