The Seiko 7N42-0AR0 is a watch model based on the 7N42 movement.
Parts List
| 290A90LN02 | crystal - crystal |
| 8K45B3SNS0 | crown - crown |
| 0F270BAAS | case back gasket - case back gasket |
| F1T9JZ | band - band |
| 7N420AR001C | others - case |
| 7N420AR002C | others - case |
| S200CS | others - push pin |
| 0351892 | others - winding stem |
| AD006BAD1 | others - crown and stem gasket |