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Excalibur Spider
Skeleton automatic

Ref: RDDBEX0574
Titanium, Grey
Limited edition 88 pcs.

The automatic movement is highlighted by the astral skeleton structure and the micro-rotor, offering a spectacular view on the mechanism.

Not only aesthetics, the micro-rotor offers a winding ratio as good as the best single-direction big oscillating weight. Manufactured in Gold and titanium, the timepiece is the perfect match between a sporty and refined look. What is interesting with this timepiece is that you really have the perception of a precious gold watch (enhanced by the level of finishings, as sharp that on the movement), but with the lightness of a skeleted case combined with a titanium bezel.


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.

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Reference : RDDBEX0574
  • Size : 45mmmm
  • Water Resistance : 5BAR (50 m)
  • Material : Black and golden skeleton dial, black and golden flange with golden indexes filled with white luminous SLN, 18K pink gold hands with red transfer and white luminous SLN tips
  • Material : Bi material strap with black rubber base and grey calf inlay, black stitchin
  • Material : Titanium black DLC, Adjustable folding buckle

Download Manual (pdf)

60 Power reserve
530 hours of manufacturing dedicated to this calibre
167 components in this calibre

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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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