SEIKO TMI NH39A

Cal.NH3 Series
(NH34A/35A/36A/37A/38A/39A)

 

1.How to set the time
1) Pull out the crown to the first click position.
2) Turn the crown to set hour and minute hands.
(Check that AM / PM is set correctly)
3) Push the crown back into the normal position.

2.To wind up the mainspring
a) Manual winding (Rotate the crown clockwise at normal position)
Fully wound up by turning the crown minimum 55 times. It will start to move naturally after shaking slightly.

b) To wind up with winding machine.
Full wind up conditions (Reference information)
Rotary speed : 30 rpm Operating time : 60 minutes