Excalibur Spider Skeleton Flying Tourbillon Americas Edition

From Roger Dubuis -

Courtesy of Roger Dubuis

Here are the pertinents -

Excalibur Spider Americas Limited Edition, RDDBEX0549 

Case:
Skeleton case, 45mm, Titanium

Thickness:
13.75 mm

Dial:

Skeleton
Red and yellow black DLC titanium skeleton flange White Roger Dubuis transfers
Titanium screws with SLN
Skeleton hands in gold

Black DLC treatment with SLN

Water Resistance: 
5 BAR (50 m) 

Strap:

White rubber

Clasp:
Titanium adjustable folding clasp

Calibre:
Hand-wound calibre, RD505SQ

Production:
20 pieces

Certification:
Poinçon de Genève

RD505SQ Calibre: Skeleton Flying Tourbillon
Features:

Flying tourbillon at 7.30

(one rotation per minute) Hand-wound mechanical calibre 
Power-reserve of 60 hours 
Finely adjusted in six positions 

Functions:
Hours and minutes

Decorations:

Skeleton calibre
Black colour
Circular-grained plate

Tourbillon carriage in the shape 
of a Celtic cross “Poinçon de Genève” finishings 

Specifications:

179 components 19 jewels
Diameter: 16’’’

Thickness: 4.28 mm 
Frequency: 3Hz (21,600 vph)