The Seiko 1N00-6M50 is a watch model based on the 1N00 movement.
Parts List
| SA3A07JN02 | crystal - crystal (inorganic) |
| 6K35B1SNG0 | crown - crown |
| 6K35B1SNS0 | crown - crown (3h) |
| 0F210BAA5 | case back gasket - case back gasket |
| 4865JG | band - band |
| 4865KG | band - band |
| 4865LG | band - band |
| 4865JG-LK5 | band - link |
| 4865KG-LK6 | band - link |
| 4865LG-LK6 | band - link |
| 4865LG-PB1 | clasp - parts for buckle |
| 4865KG-PB1 | clasp - parts for buckle |
| 4865JG-PB1 | clasp - parts for buckle |
| 4865JG-BKD | clasp - buckle |
| 4865KG-BKF | clasp - buckle |
| 4865LG-BKD | clasp - buckle |
| 1CG047LBBDG | others - hour hand |
| 1CG047LBBDS | others - hour hand |
| 2CG072LABDG | others - minute hand |
| 2CG072LABDS | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81190075 | others - bracelet fixing pipe |
| 1N006M5001D | others - case |
| 82841440 | others - case ring |
| 1N006M50 | others - case back |
| 1N006M5003D | others - case |
| 1N006M5002D | others - case |
| 0351807 | others - winding stem |
| AC004BAD1 | others - crown and stem gasket |
| 1N005D78XS14 | others - dial |
| 1N005D78XS24 | others - dial |
| 1N005D88XS19 | others - dial |
| 1N009 | others - machine code |
Caliber 1N00
