The Seiko W620-4300 is a watch model based on the W620 movement.
Parts List
| 0F300BAD1 | case back gasket - case back gasket |
| 80710335 | pusher - button |
| 80632459 | pusher - button |
| WN00AZ | band - band |
| W6204300N2A | others - case |
| W6204300 | others - case back |
| T180BS | others - push pin |
| AD006BA11 | others - crown and stem gasket |
| 81518099 | others - case back screw |
| 83200211 | others - button spring clip |