FS61 Miyota Quartz Watch Movement is a Retrograde Chronograph movement with 3 hands in the center (hour/minute/chrono seconds), 3 indicators, and a date window at 4:30 suspended. This movement is a 0 jewel movement, 10 1/2 ligne round, 23.70 mm x 22.00 mm with a movement thickness of 5.10 mm. Overall height is 6.89 mm. The indicator at 3 o'clock is a day retrograde, the indicator at 6 o'clock records small seconds, the indicator at 10 o'clock records 60 minutes. Pushers are parallel for a straight walled case. Hole sizes: 120/70/17/26 (hour/minute/seconds/indicators). Uses a 377 battery. Stem use part number 065-549 (tap 0.90 mm / tap 10).