Material
Stainless steel with black DLC coating

Number of parts
17

Case back
Screw-down case back with satin finish and flat sapphire crystal

Diameter
44 mm

Height
13.35 mm

Band width
22 mm

Finish
Matt, partly with vertical satin finish

Bezel
Screw-down matt bezel with full thread and side knurling with curved, double coated anti-reflective sapphire crystal

Movement
Caliber C.301, automatic

Frequency
4 Hz ( 28800 A/h )

Power reserve
Ca. 42

Number of jewels
33

Finish
Polished pallet lever, escape wheel and screws; bridges and plates with perlage

Rotor
Skeletonized purple rotor

Dial material
Elaborate 42-part construction on two levels: bottom level black, upper level featuring screwed-on skeletonized train wheel bridges and funnel-like construction for hour display, as well as a retrograde seconds display and cylinder shape Super-LumiNova indexes – all parts colored differently.

Displays
Off-centre hours at 12:00 (featuring "open gear" design), central minutes, retrograde seconds at 6:00

Design of hands
Lacquered; with Super-LumiNova inlays and tips

Shape of hands
“Trigono”

Strap material
Alligator leather, hand-sewn

Type of buckle
Folding clasp

Water resistance
10 bar( 100m )

Special features
Limited to 50 timepieces only. Technically sophisticated dial design featuring "open gear" mechanism and retrograde seconds display.