NEW Factory Roger Dubuis Excalibur RDDBEX0479 Tourbillon 45mm
The NEW Factory Roger Dubuis Excalibur RDDBEX0479 features a 45mm titanium case, fully openworked architecture, star-shaped framework, tourbillon, and custom Sea-Gull RD505SQ manual-winding mechanical movement.
The case measures 13.5mm in thickness, while the skeletonized construction exposes the movement architecture from both the front and rear. A Celtic-cross-inspired tourbillon structure, luminous markers and hands, anti-reflective sapphire crystal, and natural rubber strap complete the technical configuration.
45mm Titanium Case
The RDDBEX0479 uses a 45mm titanium case with a thickness of 13.5mm.
Titanium complements the mechanical character of the Excalibur design while providing a distinctive metallic appearance around the extensively openworked interior.
The large 45mm case also provides substantial visual space for the star-shaped framework, tourbillon, small-seconds display, and exposed movement components.
Openworked Star-Shaped Architecture
A prominent star-shaped framework forms the central architecture of the watch.
Instead of covering the movement with a conventional solid dial, the openworked construction exposes the bridges, wheels, tourbillon assembly, and other mechanical components.
The framework therefore serves both a structural and visual role, allowing the mechanical architecture itself to become an important part of the dial design.
Celtic-Cross-Inspired Tourbillon
The watch incorporates an integrated tourbillon with a Celtic-cross-inspired structural design.
Its exposed position within the skeletonized framework makes the rotating tourbillon assembly clearly visible from the dial side.
Combined with the surrounding openworked components, the tourbillon becomes one of the main mechanical focal points of the RDDBEX0479.
Custom Sea-Gull RD505SQ Movement
The RDDBEX0479 is powered by a custom Sea-Gull RD505SQ manual-winding mechanical movement.
The movement integrates the tourbillon directly into its openworked architecture and is designed to remain visible through both sides of the watch.
Its power-reserve specification is approximately:
50 hours
As a manual-winding mechanical movement, energy is supplied through the crown rather than an automatic winding rotor.
Openworked Movement Finishing
The exposed RD505SQ movement incorporates decorative finishing across its visible bridges and components.
The upper bridge structure features detailed surface finishing, while perlage-style circular graining adds texture to selected areas of the movement.
Because much of the mechanism remains visible, the finishing forms part of the overall appearance rather than remaining concealed behind a dial or closed caseback.
Individual Movement Number
Each movement incorporates an individual identification number.
The number functions as an identifying detail on the movement and adds another visible element to the openworked mechanical architecture.
Skeletonized Dial
The RDDBEX0479 uses an extensively openworked dial construction.
The absence of a conventional solid dial allows the star-shaped framework and mechanical components underneath to remain visible.
This creates multiple layers of depth across the front of the watch, with the hands, hour markers, small-seconds display, bridges, wheels, and tourbillon occupying different visual levels.
Small Seconds Display
The watch incorporates a dedicated small-seconds display.
Its structure uses black DLC-coated titanium and includes a black minute track together with Roger Dubuis lettering.
The darker finish provides visual separation between the seconds display and the surrounding skeletonized movement.
Luminous Hour Markers and Hands
The hour markers incorporate luminous material, while the hands are also finished with a luminous coating.
These luminous elements help distinguish the primary time display from the mechanically complex openworked background.
They also provide a functional contrast against the dark and metallic components visible beneath the dial.
Anti-Reflective Sapphire Crystal
The front of the watch is protected by a sapphire crystal with anti-reflective coating.
The clarity of the crystal is particularly relevant to the RDDBEX0479 because the movement, star-shaped framework, tourbillon, hands, and dial components are all intended to remain visible from the front.
The anti-reflective treatment helps reduce surface reflections under different lighting conditions.
Front and Rear Openworked View
The movement architecture can be viewed from both the front and rear of the watch.
From the dial side, the star-shaped framework, small-seconds display, and tourbillon establish the primary visual structure.
The rear provides another perspective on the RD505SQ movement, including its bridges, mechanical components, open spaces, and decorative finishing.
This front-and-rear visibility makes the mechanical construction a central element of the RDDBEX0479.
Natural Rubber Strap
The watch is paired with a natural rubber strap.
The flexible rubber construction complements the large 45mm titanium case while maintaining the sport-oriented character of the Excalibur design.
Its relatively simple surface also provides visual contrast against the complex skeletonized movement and geometric case architecture.
Technical Specifications
Specification Details
Factory NEW Factory
Brand Roger Dubuis
Collection Excalibur
Reference RDDBEX0479
Case Diameter 45mm
Case Thickness 13.5mm
Case Material Titanium
Dial Openworked / Skeletonized
Framework Star-Shaped
Movement Custom Sea-Gull RD505SQ
Movement Type Manual-Winding Mechanical
Complication Tourbillon
Tourbillon Design Celtic-Cross-Inspired
Power Reserve Approx. 50 Hours
Movement Number Individual Identification Number
Seconds Small Seconds
Seconds Display Material DLC-Coated Titanium
Hour Markers Luminous
Hands Luminous Coating
Crystal Sapphire Crystal
Crystal Treatment Anti-Reflective Coating
Strap Natural Rubber
Openworked Mechanical Design
The RDDBEX0479 is defined primarily by the relationship between its star-shaped framework, skeletonized movement, and exposed tourbillon.
Rather than using decorative elements to conceal the mechanical construction, the design exposes a substantial portion of the movement and allows its components to form the visual structure of the watch.
The open spaces between the bridges create depth across the dial, while the tourbillon introduces continuous mechanical motion within the lower structure.
Viewed from the rear, the same architecture provides another perspective on the RD505SQ movement and its finishing.
Titanium and Skeleton Architecture
The titanium case creates a relatively restrained exterior frame around the mechanically complex interior.
This allows the star-shaped architecture and tourbillon to remain visually dominant rather than competing with an elaborate external case finish.
The combination of titanium, sapphire crystal, skeletonized bridges, DLC-coated details, and natural rubber gives the RDDBEX0479 a consistently technical material character.
Wearing and Care
The RD505SQ is a manual-winding mechanical movement. Wind the watch smoothly through the crown and avoid applying additional force once noticeable resistance develops.
The exposed tourbillon and skeletonized architecture contain numerous mechanical components, so strong impacts and powerful magnetic fields should be avoided.
Use a clean microfiber cloth for routine cleaning of the titanium case and sapphire crystal.
Abrasive polishing materials should be avoided on the titanium case and DLC-coated components because they may alter the original surface finish.
Frequently Asked Questions
What is the case size of the NEW Factory Roger Dubuis RDDBEX0479?
The titanium case measures 45mm in diameter and 13.5mm in thickness.
What material is used for the case?
The RDDBEX0479 uses a titanium case.
What movement does the RDDBEX0479 use?
It is powered by a custom Sea-Gull RD505SQ manual-winding mechanical movement.
Does the RDDBEX0479 have a tourbillon?
Yes. The RD505SQ incorporates an integrated tourbillon within the openworked movement architecture.
What is the power reserve?
The movement has an approximate 50-hour power-reserve specification.
Is the RDDBEX0479 a skeleton watch?
Yes. It uses an extensively openworked construction with a star-shaped framework, exposing a substantial portion of the movement.
Does the movement have an individual number?
Yes. Each movement incorporates an individual identification number.
Does the watch have small seconds?
Yes. It incorporates a dedicated small-seconds display with a black DLC-coated titanium structure.
What type of crystal does the RDDBEX0479 use?
It uses a sapphire crystal with anti-reflective coating.
Are the hands and hour markers luminous?
Yes. The hour markers incorporate luminous material, and the hands feature luminous coating.
What type of strap does the watch use?
The RDDBEX0479 is fitted with a natural rubber strap.
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