7N01 Seiko Quartz Watch Movement is a 3 hand movement (hour/minute/ sweep second). This ladies movement is a 6 3/4 x 8 ligne movement, dimensions are 15.30mm x 17.80mm with a thickness of 2.36mm, overall movement height is 3.65mm. Hand dimensions are 110/65/20 (h/m/s). 0 jewel movement, uses 364 battery. Stem is supplied with the movement. Stem is a part number 351-890, this stem is a tap 0.80mm (tap 11).