The Seiko 7B42-0AJ0 is a watch model based on the 7B42 movement.
Parts List
| DA1G1MM | band - metal band |
| DA1G1MMLK | band - link |
| H14S12WD02E | clasp - clasp |
| Z180BS | others - push pin (clasp and band) |
| 81190075 | others - bracelet fixing pipe |
| 81606299 | others - bracelet fixing pin |
Other models with the same movement
| 7B42-0AA0 |
| 7B42-0AB0 |
| 7B42-0AC0 |
| 7B42-0AD0 |
| 7B42-0AE0 |
| 7B42-0AF0 |
| 7B42-0AG0 |
| 7B42-0AH0 |
| 7B42-0AK0 |
| 7B42-0AL0 |
| 7B42-0AM0 |
| 7B42-0AN0 |
| 7B42-0AP0 |
| 7B42-0AS0 |
| 7B42-0AT0 |
| 7B42-HAA0 |
| 7B42-HAB0 |