The Seiko 4N01-0448 is a watch model based on the 4N01 movement.
Parts List
| 180A02JN02 | crystal - crystal |
| 170A02JN02 | crystal - crystal |
| 30MD5NN1 | crown - crown |
| 0F140BAA3 | case back gasket - case back gasket |
| 1BA042A1BNG | others - hour hand |
| 2BA065A1BNG | others - minute hand |
| 3BA075F1BNG | others - second hand |
| A100BS | others - push pin (for mb) |
| 4N010441 | others - case back |
| 4N01044825A | others - case |
| 4N010961XB14 | others - dial |
| 4N0161 | others - machine code |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 82841570 | others - case ring |