Functions: Hours, minutes, seconds, chronograph (minutes, seconds)
Movement: Chronograph 7753, 27 jewels, beat rate 28,800, power reserve 48 hours
Dial: Black, matte lacquered
Glass: Sapphire glass, non-reflective, double-sided violet coated, spherically polished front
Casing: Stainless steel, hardness 73 rockwell, circumference 41 mm, height 12.65 mm, nitrogen filled
The hands of this Chronograaf are made of rhodanized steel and they contrast sharply with the matte black lacquered dial. The ZD serial number means 'zonder datum', i.e. without a date. Limited edition of 888.