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Excalibur
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Ref: RDDBEX0744
White gold, Automatic, Blue
Novelties
Limited edition 88 pcs.

A new version of our iconic RD820SQ caliber with a decor made possible thanks to a technology used for one of the first times in the watchmaking industry.

Sapphire microtubes are displayed throughout the calibre making it a mechanical sculpture. In addition to that, the tubes will glow under UV light, revealing the motif as if was floating in the case at night.

Caliber

The first automatic skeleton watch of  Roger Dubuis movement with micro-rotor.

Roger Dubuis proudly introduces the first automatic skeleton watch to emerge from the Manufacture. All faces of the 167 parts composing the self-winding RD820SQ movement are individually hand-finished.

530 hours of manufacturing, including 170 hours devoted to the Poinçon de Genève.

Know more...
RD820SQ

Variations

Specifications

Reference : RDDBEX0744
Case
  • Size : 42mmmm
  • Water Resistance : 3bar (30meter)
Dial
  • Material : Rhodium plated flange with rhodium plated hour markers, micro-sapphire tubes, UV light sensitive, 18K white gold hands
Strap
  • Material : Blue alligator strap
Clasp
  • Material : 18K white gold cover and titanium blades, adjustable folding buckle

Download Manual (pdf)

DOWNLOAD PDF. MANUAL
60 Power reserve
530 hours of manufacturing dedicated to this calibre
167 components in this calibre

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Materials

Complication

Color

About Complication

An automatic timepiece is a mechanical watch set with either an oscillating mass or a micro-rotor which, thanks to the natural wrist movement winds itself mechanically. Therefore, if worn everyday, the timepiece doesn’t need hand winding. 

A manual timepiece is a mechanical watch that needs to be hand-wound to function. The several mouvements have a “power reserve” that determine the length of time the watch is able to function with its full wound capacity. Especially appreciated from specialist of “Haute Horlogerie”.

A tourbillon is an addition to the mechanics of a watch escapement. In a tourbillon the escapement and balance wheel are mounted in a rotating cage, in order to negate the effects of gravity when the timepiece (thus the escapement) is stuck in a certain position. 

A masterpiece from Roger Dubuis. The achievement of 7 years of research and 40 people included in the production process of the watch. A timepiece working with 4 balance sprung and 5 differentials, for an ultimate precision. A watchmaking achievement that looks for the untouched territories of mechanical accuracy. 

The minute repeater is a timepiece that once mechanically pushed, rings the hours, quarters and minutes of the watch. It is an historic complication that is known for the mechanical achievement of making a mechanical timepiece ring. 

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Roger Dubuis Manufacture

Every Roger Dubuis timepiece is built by hands at the manufacture and headquarters in Geneva, Switzerland. You can reach us there, Monday to Friday 09:00 AM - 5:00 PM, for brochure request, visits, model and general queries.

Manufacture Roger Dubuis
Rue André-De-Garrini 2,
1217 Meyrin,
Genève, Suisse

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