Roger Dubuis – Excalibur Self-Winding Flying Tourbillon (SIHH 2011)

The Excalibur collection captures the spirit of avant-garde Fine Watchmaking that defines Manufacture Roger Dubuis, to the point that it is now an icon of the brand. With its powerful design and superlative mechanical movement, the Excalibur Self-Winding Flying Tourbillon with micro-rotor in white gold continues in this vein.

Its imposing 45mm diameter leaves no doubt that this is a watch with character. With its frank lines, robust crown-cover and signature indented bezel, the Excalibur Self-Winding Flying Tourbillon completes a line already rich in exceptional movements.

This Excalibur model incorporates the Calibre RD520, a self-winding flying tourbillon movement with visible micro-rotor. This spectacular movement, which offers a new degree of exposure to this type of complication, has been designed, developed and produced by Manufacture Roger Dubuis. Rhodium-plated with Côtes de Genève decoration and assembling 227 components, the Calibre RD520 is hallmarked with the prestigious Poinçon de Genève. It proposes hour and minute functions, and the tourbillon can be seen in an aperture at 7 o’clock.

Water-resistant to 5 BAR (50 metres), this Excalibur Self-Winding Flying Tourbillon with micro-rotor in white gold is presented on a black alligator strap with an adjustable folding buckle, also in white gold.

This exceptional timepiece is proposed as a limited edition of 88.

Movement – Calibre RD520. Mechanical self-winding movement by a micro-rotor , 15’’’, 30 jewels, fine adjustment in six positions, rhodium-plated, “Côtes de Genève” motif. Poinçon de Genève. Tourbillon carriage shaped like a Celtic cross. Number of parts – 227. Thickness – 6.5 mm. Frequency – 3 Hz (21,600 vph). Power reserve – 60 hours.

Functions – Hours and minutes at the centre, small seconds on the tourbillon.

Case – Round, 45 mm, white gold.

Dial – Charcoal satined sunburst background. White transferred roman numerals. Black onyx plates. Tourbillon aperture at 7 o’clock. Micro-rotor aperture at 10 o’clock. White gold fillets. Black bottom flange. Black top flange. White transfer. White gold appliques.

Water-resistant – To 5 BAR (50 metres).

Strap – Fully adjustable black strap, genuine alligator, hand-stitched.

Clasp – White gold adjustable folding buckle.

Source: Roger Dubuis

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