Chronomètre mécanique de type interruption (ST211004)

•Intended use: Industrial, production, and manufacture timing.
•Sweep second hand makes one revolution in 60 seconds, 60 minute register
•Shock-resistant, anti-magnetic movement
•Locked returns prevent accidental reset
•Temperature-compensated hairspring
•Starts & stops by consecutive crown depressions
•Returns to zero from side button depression in stopped position only