The Seiko 7N42-0ES0 is a watch model based on the 7N42 movement.
Parts List
| 310A03JN02 | crystal - crystal |
| 8K45AVSNW1 | crown - crown (3h) |
| 8K45AVSNG5 | crown - crown (3h) |
| 0F280BA1S | case back gasket - case back gasket |
| 4LL8ZB | band - leather band |
| 4A5E1JX | band - metal band |
| 4A5E1JXLK | band - link |
| 4A5E1LX | band - metal band |
| 4A5E1LXLK | band - link |
| 4LL9ZB | band - leather band |
| AB1ASSA00B | clasp - buckle |
| H01T11SA04D | clasp - clasp |
| 1BG092L0BDG | hand - hour hand |
| 1BG092L0BDS | hand - hour hand |
| 2BG135L0BDG | hand - minute hand |
| 2BG135L0BDS | hand - minute hand |
| 3AA125F0ANG | others - second hand |
| 3AA125F0ANS | others - second hand |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 82736540 | others - case ring |
| 0878580 | others - date dial |
| 7N420ES0 | others - case back |
| 7N420ES001B | others - case |
| 7N420ES002B | others - case |
| 7N420HK8XB13 | others - dial |
| 7N420HK8XL13 | others - dial |
| 7N420HK8XN13 | others - dial |
| 7N420HK8XS14 | others - dial |
| 7N423 | others - machine code |
| S200BS | others - push pin |
| W175275BS | others - wave pin (band) |
| Z190ZS | others - push pin (clasp and band) |