3 ms·
It depends on the movement in the watch. Any COSC chronometer movement will hold +4/-6s per day which worst case is under a minute lost per week. Typically the
by alfalfasprout 4y ago
It depends on the movement in the watch. Any COSC chronometer movement will hold +4/-6s per day which worst case is under a minute lost per week. Typically the error is much smaller.