The Seiko 1N01-0K50 is a watch model based on the 1N01 movement.
Parts List
| 160A02JN02 | crystal - crystal (inorganic) |
| 30MD5NN1 | crown - crown |
| 30MD5NS1 | crown - crown |
| 0F150BA1S | case back gasket - case back gasket |
| 44L5YB | band - band |
| 44L5KB | band - band |
| 44L5JB | band - band |
| 1AC040A1BNG | others - hour hand |
| 1AE040LMBNG | others - hour hand |
| 2AC062A1BNG | others - minute hand |
| 2AE065LMBNG | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 0351807 | others - winding stem |
| 1N010K5001B | others - case |
| 82842120 | others - case ring |
| 1N010K50 | others - case back |
| 1N010K5002B | others - case |
| 1N011P68XG14 | others - dial |
| 1N011P68XS13 | others - dial |
| 1N011P78XS19 | others - dial |
| 1N014 | others - machine code |
| B080BS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |
| 2AE065LMBNS | others - minute hand |
| 1AE040LMBNS | others - hour hand |
Caliber 1N01
