ISA 338/103 Swiss Quartz Watch Movement ISA 338/103, IST 338/103 is an ISATRONIC 3 hand (hour, minute, sweep second), ladies quartz watch movement with date at the 3 o'clock position. This is a 8 3/4 ligne movement with a diameter of 19.40 mm and a height of 2.50 mm. This is an 5 jewel movement, Swiss assembled with gilt plates, hand dimensions are 120/70/20 (h/m/s), uses a 362 battery.