The Seiko 1230-5789 is a watch model based on the 1230 movement.
Parts List
| BA4N35SN01 | crystal |
| 25N07DA1 | crown |
| 0F160NA11 | case back gasket |
| BGJ22G | band - leather band |
| KGJ03G | band - leather band |
| WGJ05G | band - leather band |
| 06L05DGM | hand - minute hand |
| 12300940XS14 | others - dial |
| 1230578925 | others - case |
| 123090 | others - machine code |
| 82723370 | others - case ring |
| A110AS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |
| 1CA037A3BNG | others - hour hand |
Caliber 1230
