1N01 Seiko Quartz Watch Movement is a 3 hand movement (hour/minute/sweep second). This ladies movement is a 4 3/4 x 6 1/2 ligne movement, dimensions are 10.80mm x 14.50mm with a thickness of 2.30mm, overall movement height is 3.47mm. Hand dimensions are 110/65/20(h/m/s). 0 jewel movement, uses 379 battery. Stem is supplied with the movement. Stem is a part number 351-807, this stem is a tap 0.70mm (tap 12).