Seiko SII NH38A
Movement Instructions
1 / How to set the time
- Pull out the crown to the first click position.
- Turn the crown to set hour and minute hands.
- Push the crown back into the normal position.
2 / To wind up the mainspring
- Manual winding: rotate the crown clockwise at the normal position. Fully wound by turning the crown a minimum of 55 times; it will start to move naturally after shaking slightly.
- With a winding machine: rotary speed 30 rpm, operating time 60 minutes.