The Seiko 7N42-0AX0 is a watch model based on the 7N42 movement.
Parts List
| 290X20HN02 | crystal - crystal |
| 8E55A8SNW1 | crown - crown |
| FE298BAD2 | case back gasket - case back gasket |
| 86565321 | crystal gasket - plastic gasket for crystal |
| 86565320 | crystal gasket - plastic gasket for crystal |
| 86584040 | bezel gasket - case back gasket |
| 32A0JB-LK | band - link |
| 32A0JB | band - band |
| 32A0JB-BK | clasp - buckle |
| 32A0JB-PB | clasp - parts for buckle |
| 1AA075FGBES | others - hour hand |
| 2BA115FABES | others - minute hand |
| 3AX125F7AES | others - second hand |
| 0351892 | others - winding stem |
| 7N420AX002D | others - case |
| 0878580 | others - date dial |
| 0878587 | others - date dial |
| 81180249 | others - bracelet fixing pipe |
| 81606809 | others - bracelet fixing pin |
| 82738200 | others - case ring |
| 7N420AX001D | others - case |
| 85930869 | others - bezel |
| 7N420AX0 | others - case back |
| 7N420BY8XB13 | others - dial |
| 7N420BY8XS13 | others - dial |
| 7N423 | others - machine code |
| 84350824 | others - dial ring |
| 84350825 | others - dial ring |
| 0A0150B0A | others - crown and stem gasket |
| 89995390 | others - pusher spacer |