YM88 Epson Chronograph Quartz Watch Movement YM88 Epson Multi-Function Chronograph Timer is a 3 hand movement (hour/minute/sweep seconds) with 3 indicators, and a date window at the 4:30 suspended. The indicator at the 3 o'clock position is a 24 hour counter, the indicator at the 6 o'clock position is a minute chronograph counter and the indicator at the 9 o'clock position is small seconds. This gents movement is a 12 ligne movement, dimensions are 24.00 mm x 27.60 mm with a thickness of 4.42 mm. Hand dimensions are 110/65/21/21 (h/m/s/indicators). 0 jewel movement uses a 395 battery, the stem for this movement is a part number 351-584 (tap 0.90 mm, tap 10).