Miyota 8285

Miyota 8285 diagram

Movement Instructions

1 / How to set the time

  • Pull out the crown to the second click position.
  • Turn the crown to set hour and minute hands.
  • (Check that AM / PM is set correctly)
  • Push the crown back into the normal position, the second hand begins to run.

2 / How to set the Day & Date

  • Pull out the crown to the first click position.
  • Turn the crown counter-clockwise to set the date.
  • Turn the crown clockwise to set the day of the week.
  • *Do not set the day/date between 9:00 P.M. and 4:00 A.M. as this will cause a malfunction.
  • Push the crown back into the normal position.

3 / To wind up the mainspring

  • a) Manual winding (Rotate the crown counter-clockwise at normal position)
  • Fully wound up by turning the crown minimum 30-40 times max. It will start to move naturally
  • after shaking slightly.
  • b) To wind up with winding machine.
  • Full wind up conditions (Reference information)
  • Winding Direction: Counter-Clockwise (CCW)
  • Turns per Day: 650 (TPD)
  • Rotary speed : 28 rpm
  • Operating time : 60 minutes