MIYOTA FS80 Watch Movement QuartzMIYOTA FS80 MIYOTA FS80 Watch Movement Chronograph Minute Second 10 1 2 Ligne or 23. 7 mm MIYOTA FS80 movements with chronograph functions are the most important part of a watch because it is the heart and brains of the timekeeping devices. You need to have a movement if you want your watch to work. MIYOTA FS80 movements are the new style of movement. It is built to last and come ready to install. MIYOTA FS80 movement is made by the MIYOTA division of