The Seiko 1N01-0NS0 is a watch model based on the 1N01 movement.
Parts List
| RE1AV4JN02 | crystal - crystal (inorganic) |
| 6M38APSNZ1 | crown - crown (3h) |
| 6M38APSNG2 | crown - crown (3h) |
| 0F210BA1S | case back gasket - case back gasket |
| HA0B1PL | band - leather band |
| HA0C1KL | band - leather band |
| HA0C2KL | band - leather band |
| HA0F1PM | band - metal band |
| 2BX075AABNG | hand - minute hand |
| 2BX075AABNP | hand - minute hand |
| 1BX052ABBNP | hand - hour hand |
| 3BA075F0BNM | others - second hand |
| 3BA075F0BNG | others - second hand |
| 3BA075F0BAJ | others - second hand |
| 1BX052ABBNG | others - hour hand |
| 1BX052ABBAH | others - hour hand |
| 2BX075AABAL | others - minute hand |
| 82797820 | others - case ring |
| DB004BAD1 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 1N010NS0 | others - case back |
| 1N010NS001C | others - case |
| 1N010NS002C | others - case |
| 1N010ZX4XA13 | others - dial |
| 1N010ZX4XA23 | others - dial |
| 1N010ZY4XA15 | others - dial |
| 1N010ZZ4XS15 | others - dial |
| 1N013 | others - machine code |
| S180BS | others - push pin |
Caliber 1N01
