The Seiko 1230-0109 is a watch model based on the 1230 movement.
Parts List
| 185P01SN | crystal |
| 185P01SN02 | crystal |
| 185W41SN | crystal |
| 185W41SN01 | crystal |
| 30M89DA1 | crown |
| 0F155BAA5 | case back gasket |
| 0F155BAA | case back gasket |
| 0F160BAA5 | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0F160BAA | case back gasket |
| 86572890 | crystal gasket |
| 86561290 | bezel gasket - plastic gasket for bezel |
| Z5287C | band - metal band |
| Z5287C-LKG | band - link |
| Z5287C-PB1 | clasp - parts for buckle/clasp |
| Z5287C-BK7S | clasp - clasp |
| 07L45JGM | hand - minute hand |
| 07L49JGM | hand - minute hand |
| 1CB055A1BAX | others - hour hand |
| 81181459 | others - bracelet fixing pipe |
| 81611439 | others - bracelet fixing pin |
| 12300109 | others - case back |
| 12300109SF | others - case |
| 12301210XG14 | others - dial |
| 12301210XS14 | others - dial |
| 12301220XS14 | others - dial |
| 123090 | others - machine code |
| 82340711 | others - bezel |
| 82823170 | others - case ring |
Caliber 1230
