The Seiko 1421-0010 is a watch model based on the 1421 movement.
Parts List
| 190A02SN01 | crystal - crystal |
| 190N53SN00 | crystal |
| 35ND1DE5 | crown |
| 0H1700B01 | case back gasket - bezel gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| HI030 | others - other band |
| 07P03AGH | others - hour hand |
| 08P13A3M | others - minute hand |
| 08SC29NG | others - second hand |
| 1AA047A1BAF | others - hour hand |
| 2AA080A3BAF | others - minute hand |
Caliber 1421
