ISA 389/10 Quartz Watch Movement ISA 389/10, IST 389/10 is an ISATRONIC 2 hand,ladies quartz watch movement. This is a 8 3/4 ligne movement, 19.40 mm in diameter with a height of 2.80 mm. This is a Swiss parts movement, hand dimensions are 120/70 (h/m), uses a 397 battery.