The Seiko 7N42-6B00 is a watch model based on the 7N42 movement.
Parts List
| 270A03JN02 | crystal - crystal |
| 8M40A2NNG1 | crown - crown |
| 0F270NA1S | case back gasket - case back gasket |
| 4D72JB | band - band |
| 4D73KB | band - band |
| 4D74KB | band - band |
| 4D75KB | band - leather band |
| 4D76KB | band - leather band |
| 3AA125F0AFK | others - second hand |
| 2AH110A4BAL | others - minute hand |
| 1AH075A4BAL | others - hour hand |
| 82830140 | others - case ring |
| 7N426B0075Z | others - case |
| 7N426B00 | others - case back |
| 7N426B007HZ | others - case |
| 0878651 | others - date dial |
| 7N423 | others - machine code |
| 7N426B68X914 | others - dial |
| 7N426B68X924 | others - dial |
| 7N426B68X934 | others - dial |
| A180BS | others - push pin |
| 0351892 | others - winding stem |
| AD006BA12 | others - crown gasket |