The Seiko 7N42-0CZ0 is a watch model based on the 7N42 movement.
Parts List
| 300PX5JN02 | crystal - crystal (inorganic) |
| 8K60BNSNW1 | crown - crown (3h) |
| FE318BAD2 | case back gasket - case back gasket |
| 0Z3314B02 | case back gasket - rotating bezel gasket |
| 86178611 | crystal gasket - plastic gasket for crystal |
| 86178610 | crystal gasket - plastic gasket for crystal |
| 34D9JB | band - band |
| 4KN0JB | band - band |
| 3AX125F3AER | others - hand |
| 2BX115L0BES | others - minute hand |
| 3AX125F3AEY | others - hand |
| 1AX075FPBE1 | others - hour hand |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 82736540 | others - case ring |
| 7N420CZ001B | others - case |
| 7N420CZ0 | others - case back |
| 7N420CZ002B | others - case |
| 0878580 | others - date dial |
| 7N420FD8XB19 | others - dial |
| 7N420FD8XS19 | others - dial |
| 7N423 | others - machine code |
| 81332049 | others - click spring |
| 84359004 | others - dial ring |
| 84359005 | others - dial ring |
| S200BS | others - push pin |
| 85936029 | others - rotating bezel |