VX45 Epson Quartz Watch Movement is a 3 hand movement (hour/minute/sweep second) with a date window at the 3 o'clock position and a day retrograde indicator at the 5:20. This gents movement is a 11 1/2 ligne movement, dimensions are 23.50 mm x 26.40 mm with a thickness of 2.62 mm. Hand dimensions are 110/65/20/20 (h/m/s/ind.). 0 jewel movement, uses 371 battery. Stems are available in a multiple of stem thread (tap) diameters, Tap 0.90 mm (10) use stem number 351-177, Tap 0.80 mm (11) use stem number 351-892.