The skeleton calibres manufactured by Roger Dubuis in Geneva are the essence of the expressive singularity of the Excalibur collection. Complying with one of the most respected certifications of Haute Horlogerie, the Poinçon de Genève, the Excalibur watches are designed like contemporary works of art. Every single component being finished by hand, the watches are symbols of greatness. The work of hyper-skilled craftsmen is at the forefront of each watch with a direct view on the creative mechanics making these pices more alive than ever.

• Case & Dial 

- Material: Stainless steel case with sapphire crystal with anti-reflective coating Stainless steel open case back with sapphire crystal.

- Case Diameter: 42mm

- Dial: Stainless steel; Dark grey flange with transfered texts and minute track, polished and Rhodium plated hour markers.

- Water-Resistance: 3 bar (30 m)

• Movement 

RD820SQ SKELETON MONOBALANCIER: A skeleton calibre with a star-shaped bridge: the signature of the Excalibur Original colllection Powered by a micro-rotor, the mechanism is manufactured in Geneva The calibre is certified by the Poinçon de Genève, one of the most demanding certifications in the world of Haute Horlogerie. 

- Type of Winding: Automatic, self-winding

- Certification: Poinçon de Genève certified

- Frequency: 28800 Frequency (vph)

- Movement Dimensions: 16 lignes

- Movement Thickness: 6.38mm

- Number of Movement Parts: 166

- Jews: 35