The Seiko 4N70-0121 is a watch model based on the 4N70 movement.
Parts List
| 0H1800N01 | case back gasket - case back gasket |
| HI135 | others - other band |
| HI136 | others - other band |
The Seiko 4N70-0121 is a watch model based on the 4N70 movement.
| 0H1800N01 | case back gasket - case back gasket |
| HI135 | others - other band |
| HI136 | others - other band |