The Seiko 3421-0130 is a watch model based on the 3421 movement.
Parts List
| 270W12GM01 | crystal - crystal |
| 35M78NS1 | crown - crown |
| FH2380B0A | case back gasket - case back gasket |
| 86176950 | crystal gasket - plastic gasket for crystal |
| HL04A | band - band |
| 09T28AKH | others - hour hand |
| 09T28AKM | others - minute hand |
| 0354546 | others - winding stem |
| 83118370 | others - case ring |
| 3421013061 | others - case |
| 0884890 | others - holding ring for dial |
| 34210710XB1L | others - dial |
| 34211 | others - machine code |
| 84300483 | others - dial ring (upper) |
| 84300503 | others - dial ring (lower) |
| A150CS | others - push pin |
| 0Z0060B01 | others - crown and stem gasket |
| 13SC04AV | others - second hand |
Caliber 3421
