Model : Full Genuine Carbon Fibre Caseset and Bezel   Black Perforated Design Brushed Steel Clad on Bezel Frontal,  Black Skeleton Dial and Subdials, Raise Yellow Steel Sticks Hour Markers on Leather Clad Surface, Base rubber strap with Insignia Deployant Clasp
Movement: Asian 7750 Valjoux Working Chronograph movement, 28800bph Engraved Decorated Insignia Rotor
Functions:
Hours, Minutes,
Seconds : Running Secs at 9.00 subdials,
Chronograph : 3.00 subdial - minute counter
2.00 pusher - start/stop chrono, 4.00 pusher - reset
Dimensions : Dia 48.5mm x 17mm Thk
Material : Composite Caseset with Genuine Carbon Fibre Outter Case and Internal Steel Construction

Back : Solid Caseback with Senna's Portriat, detail Engraved case rims
Crown : One-piece Screw down crown with o ring
Crystal: Sapphire crystal, Double sided AR coated with Aryton Senna Signature
Water-resistant