The Seiko 7N42-0BJ0 is a watch model based on the 7N42 movement.
Parts List
| BA0PA0JN02 | crystal - crystal |
| 8K50E6SNW1 | crown - crown |
| 0F290BAD2 | case back gasket - case back gasket |
| 89967841 | crystal gasket - plastic gasket for crystal |
| 33B0JZ | band - band |
| 33A9JZ | band - band |
| 33A9JZ-LK | band - link |
| 33B0JZ-LK | band - link |
| 33B0JZ-BK | clasp - buckle |
| 33B0JZ-PB | clasp - parts for buckle |
| 33A9JZ-BK | clasp - buckle |
| 33A9JZ-PB | clasp - parts for buckle |
| 1AA070L0BES | others - hour hand |
| 2AA110L0BES | others - minute hand |
| 7N420BJ001B | others - case |
| 0351892 | others - winding stem |
| AD006BAD1 | others - crown and stem gasket |
| 7N420BJ002B | others - case |
| 0878587 | others - date dial |
| 7N420CP8XB13 | others - dial |
| 7N420CP8XL13 | others - dial |
| 7N423 | others - machine code |
| 84352644 | others - dial ring |
| 84352645 | others - dial ring |
| S180CS | others - push pin |
| 82797260 | others - case ring |
| 7N420BJ0 | others - case back |
| 3AA125F6ANS | others - second hand |