The Seiko 7N42-8230 is a watch model based on the 7N42 movement.
Parts List
| 290P02LN03 | crystal - crystal (inorganic) |
| 8K45A3SNW0 | crown - crown |
| FE308BAA1 | case back gasket - case back gasket |
| 86620315 | crystal gasket - plastic gasket for crystal |
| 86620310 | crystal gasket - plastic gasket for crystal |
| 86620830 | bezel gasket - plastic gasket for bezel |
| AD006BAA1 | pusher - button gasket |
| 4723JB | band - band |
| 4723JB-LK2 | band - link |
| 4723JB-BKD | clasp - buckle |
| 4723JB-PB2 | clasp - parts for buckle |
| 1AH075FBBST | others - hour hand |
| 2AX120F0BST | others - minute hand |
| 1AH075FBBSY | others - hour hand |
| 2AX120F0BSY | others - minute hand |
| 1AH075FBBFM | others - hour hand |
| 2AX120F0BFM | others - minute hand |
| 3AX125F3AS1 | others - second hand |
| 1AH075FBBSV | others - hour hand |
| 2AX120F0BSV | others - minute hand |
| 3AX125F3AFM | others - second hand |
| 0351892 | others - winding stem |
| 82313299 | others - case ring |
| 7N428230 | others - case back |
| 82851310 | others - case ring |
| 7N42823061A | others - case |
| 0878580 | others - date dial |
| 0878587 | others - date dial |
| 7N42823061B | others - case |
| 7N423 | others - machine code |
| 7N429231XB13 | others - dial |
| 7N429231XE13 | others - dial |
| 7N429231XL13 | others - dial |
| 7N429231XS13 | others - dial |
| A180BS | others - push pin |