Movement: Mechanical with automatic winding calibre GM
Cambiosequenziale/01 alternance 10
11 1/2 lignes (25.94 mm)
42-hour power reserve
Frequency: 28,800 A/h (4Hz)
Shockproof (Incabloc model)
29 jewels
131 components

Decoration: Main plate and bridges with Côtes de Genève (parallel bands)

Case: 44 mm diameter; 13.30 mm thickness Case in matte steel all-black DLC (diamond-like-carbon)

Dial: Black dial with arabic numerals for the Giuliano Mazzuoli model with a DLC all-black case in matte steel. The version dedicated to the Contagiri 8C Competizione has the same dial design as the tachometer in the car and now has a DLC all-black case in matte steel.

Functions: Central hour hand retrogrades after going through an arc of 270°

Crystal: Convex sapphire crystal

Strap: Black rubber strap

Buckle: Ardillon buckle in black steel

Water Resistance: 5 atmospheres (50 meters)