The Seiko 1N01-5E50 is a watch model based on the 1N01 movement.
Parts List
| BA2A33JN02 | crystal - crystal |
| 6M30B5SNW0 | crown - crown |
| 6M30B5SNG0 | crown - crown |
| 0F150BA1S | case back gasket - case back gasket |
| 4FR5AZ | band - leather band |
| 4FJ5AZ | band - band |
| 4FR4AZ | band - leather band |
| 4FR5BZ | band - band |
| 4FJ5BZ | band - leather band |
| 4FJ2BZ | band - band |
| 4GA1BZ | band - leather band |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 1AG040LABDG | others - hour hand |
| 1AG040LABDS | others - hour hand |
| 1AH042A1BAA | others - hour hand |
| 2AG060LABDG | others - minute hand |
| 2AG060LABDS | others - minute hand |
| 2AH060A1BAA | others - minute hand |
| A120BS | others - push pin (for lb) |
| 1N011P00XB14 | others - dial |
| 1N011P00XE14 | others - dial |
| 1N011P00XG14 | others - dial |
| 1N011P00XG24 | others - dial |
| 1N011P00XN14 | others - dial |
| 1N011P00XS13 | others - dial |
| 1N011P10XG14 | others - dial |
| 1N011P10XG24 | others - dial |
| 1N011P10XS14 | others - dial |
| 1N014 | others - machine code |
| 1N015E5003A | others - case |
| DZ0040B01 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 1N015E5002A | others - case |
| 1N015E5001A | others - case |
| 82841740 | others - case ring |
| 1N015E50 | others - case back |
Caliber 1N01
