The Seiko 1230-5499 is a watch model based on the 1230 movement.
Parts List
ESSN63SE10 | crystal |
ESSN63SZ10 | crystal |
25N31DA1 | crown |
25N31N01 | crown |
0H1750B01 | case back gasket |
DZ0040B01 | others - crown and stem gasket |
Caliber 1230










The Seiko 1230-5499 is a watch model based on the 1230 movement.
ESSN63SE10 | crystal |
ESSN63SZ10 | crystal |
25N31DA1 | crown |
25N31N01 | crown |
0H1750B01 | case back gasket |
DZ0040B01 | others - crown and stem gasket |