The following LACO styles feature a Swiss automatic movement typ Valjoux 7750 with the following specifications:
stainless steel case
sapphier glass
13 ¼‘‘‘ (diameter 30 mm)
Height 7,90 mm
Chronograph mechanism with cams
2 push buttons
Self-winding mechanism with ball bearing
Hours, minutes, small second
Stop second device
Regulator system ETACHRON and regulator corrector
28.800 vibrations per hour; 4 Hz
Chronograph 60 seconds
30 minutes and 12 hours counters
Date and day, corrector
25 jewels
