The Seiko W620-4350 is a watch model based on the W620 movement.
Parts List
| ES0P53L20A | crystal - crystal |
| 0F300BAD1 | case back gasket - case back gasket |
| 86640570 | crystal gasket - plastic gasket for crystal |
| FEA2AB | band - band |
| FEA3AB | band - band |
| FEA4AB | band - band |
| 86510759 | others - conducting plate |
| 86510819 | others - conducting plate |
| A130BS | others - push pin |
| W62050 | others - machine code |
| W6204350N2C | others - case |
| AD006BAD1 | others - crown and stem gasket |
| 81518099 | others - case back screw |
| W6204350N2A | others - case |
| W6204350N2B | others - case |
| 83200211 | others - button spring clip |