The Seiko 3421-5290 is a watch model based on the 3421 movement.
Parts List
| K01N24GN00 | crystal |
| 35M94NA1 | crown |
| 0H1860N01 | case back gasket - case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| HL11A | band - band |
| 08SC14NG | others - second hand |
| 08T04NGH | others - hour hand |
| 07T08NGM | others - minute hand |
| A110BS | others - push pin (for mb) |
| 34210440XB14 | others - dial |
| 34211 | others - machine code |
| 3421529025 | others - case |
| 0354546 | others - winding stem |
| 83118650 | others - case ring |
Caliber 3421
