The Seiko 1N00-6S90 is a watch model based on the 1N00 movement.
Parts List
| K01A65J20A | crystal - crystal |
| 6M30B9SNG2 | crown - crown |
| 0F180BA1S | case back gasket - case back gasket |
| 30R3MG-LK5 | band - link |
| 30R3NG-LK6 | band - link |
| 30R3MG | band - band |
| 30R3NG | band - band |
| 30R3NG-BKX | clasp - buckle |
| 1CH040A1BNG | others - hour hand |
| 2CH060A1BNG | others - minute hand |
| T060BS | others - push pin |
| 0351807 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 82841320 | others - case ring |
| 1N006S9001 | others - case |
| 1N006S90 | others - case back |
| 1N005P38XL14 | others - dial |
| 1N005P38XN14 | others - dial |
| 1N005P38XS14 | others - dial |
| 1N009 | others - machine code |
Caliber 1N00
