The Seiko 1N00-6R20 is a watch model based on the 1N00 movement.
Parts List
| RE3A16SN02 | crystal - crystal |
| 6M35F7SNG0 | crown - crown |
| 6M35F7SNS0 | crown - crown (3h) |
| 0F170BA1S | case back gasket - case back gasket |
| 30A4JZ | band - band |
| 30A4KZ | band - band |
| 30A4JZ-LK2 | band - link |
| 30A4KZ-LK4 | band - link |
| 30A4JZ-BKK | clasp - buckle |
| 30A4KZ-BKN | clasp - buckle |
| 2CA062A1BNG | others - minute hand |
| 1CA040A1BNS | others - hour hand |
| 2CA062A1BNS | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 82837840 | others - case ring |
| 1N006R2001D | others - case |
| 1N006R20 | others - case back |
| 1N006R2002D | others - case |
| 1N005J18XS13 | others - dial |
| 1N005J18XS24 | others - dial |
| 1N009 | others - machine code |
| DB004BAD1 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 1CA040A1BNG | others - hour hand |
Caliber 1N00
