Ball Engineer M series Marvelight. Swiss made BALL manufacture caliber 7309 automatic movement. COSC certified Chronometer. Modern 40mm stainless steel case with leather band. Grey dial with tritium filled gas tubes on the hands and hour markers. Sapphire crystal.
Automatic BALL manufacture caliber 7309
80 hours power reserve, 28,800vph.
Certified COSC ( Controle Officiel Suisse des Chronometres ) Chronometer.
Functions:
Date calendar, window display.
Sport style, screw-down (threaded). Factory Logo engraved/embossed.
Sapphire. Very slight dome profile.
Black color. Genuine leather.
Other:
Antimagnetic 4,800A/m
.