The Seiko 7N42-0EP0 is a watch model based on the 7N42 movement.
Parts List
| ES0PC0JB0B | crystal - crystal (inorganic) |
| ES0PC0JB0C | crystal - crystal (inorganic) |
| 8M50ANSNW1 | crown - crown (3h) |
| 0G298BD12 | case back gasket - case back gasket |
| 86590820 | crystal gasket - plastic gasket for crystal |
| 86590821 | crystal gasket - plastic gasket for crystal |
| EC0060B01 | pusher - pusher gasket |
| HA1A1JR | band - resin band |
| HA1A2JR | band - resin band |
| HA1A3JR | band - resin band |
| B0FT13SA00D | clasp - clasp |
| 1AF075ABBNN | hand - hour hand |
| 2BF115A2BNN | hand - minute hand |
| 2BF115A2BNS | hand - minute hand |
| 3AA115FAAAB | others - second hand |
| 3AA115FAAAW | others - second hand |
| 81180169 | others - bracelet fixing pipe |
| 82799260 | others - case ring |
| 81503349 | others - case back screw |
| 81621219 | others - bracelet fixing pin |
| 0878617 | others - date dial |
| 0878618 | others - date dial |
| 7N420EP0 | others - case back |
| 7N420EP001C | others - case |
| 7N420EP002C | others - case |
| 7N420HF4XB1Z | others - dial |
| 7N420HG4XS13 | others - dial |
| 7N423 | others - machine code |
| T100CS | others - push pin (clasp and band) |
| 0351892 | others - winding stem |
| 1AF075ABBNS | others - hour hand |