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
Seiko 1230-5499 Watch Guide