Automatic chronograph with 17/25 jewels, 1/8-second counter, 30-minute counter, 12-hour counter, cam mechanism, 28,800 half-oscillations per hour, power reserve of about 46 hours. Variant of the Valjoux 7750 with a full calendar with date indicator, moon phase and 24-hour display. ETA 7751. Brand new, preserved for 15 years, requires replacement of lubricant.