The Seiko 7N42-0BP0 is a watch model based on the 7N42 movement.
Parts List
| 280P04JN02 | crystal - crystal |
| 8K40AMSNW1 | crown - crown |
| 8K40AMSNG2 | crown - crown |
| FE298BA11 | case back gasket - case back gasket |
| 86177922 | crystal gasket - plastic gasket for crystal |
| 86177921 | crystal gasket - plastic gasket for crystal |
| 86178900 | bezel gasket - plastic gasket for bezel |
| 33G9JB | band - band |
| 33H0JB | band - band |
| 33G9JB-LK | band - link |
| 33H0JB-LK | band - link |
| 33H1JB-LK | band - link |
| 33H1JB | band - band |
| 33H1JB-BK | clasp - buckle |
| 33H1JB-PB | clasp - parts for buckle |
| 33G9JB-BK | clasp - buckle |
| 33G9JB-PB | clasp - parts for buckle |
| 33H0JB-BK | clasp - buckle |
| 33H0JB-PB | clasp - parts for buckle |
| 1AA070L0BDS | others - hour hand |
| 2AA110L0BDS | others - minute hand |
| 1AA070L0BDG | others - hour hand |
| 2AA110L0BDG | others - minute hand |
| 1AA080LZBDS | others - hour hand |
| 2BA120LZBDS | others - minute hand |
| 3AA125F6ANG | others - hand |
| A100BS | others - push pin (for mb) |
| 0878580 | others - date dial |
| 7N420BP002A | others - case |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 7N420BP0 | others - case back |
| 85932969 | others - bezel |
| 7N420BP001D | others - case |
| 82830140 | others - case ring |
| 7N420BP002D | others - case |
| 7N420BP003D | others - case |
| 7N420BP004D | others - case |
| 7N420CZ0XS13 | others - dial |
| 7N420CZ8XL13 | others - dial |
| 7N420CZ8XS13 | others - dial |
| 7N420CZ8XS24 | others - dial |
| 7N420DA8XB19 | others - dial |
| 7N420DA8XS19 | others - dial |
| 7N423 | others - machine code |
| 3AA125F6ANS | others - second hand |