The Seiko 1N00-5090 is a watch model based on the 1N00 movement.
Parts List
| RE6A33LN02 | crystal - crystal |
| 6M35B2SNW1 | crown - crown |
| 6M35B2SNG3 | crown - crown |
| 0D130BA11 | case back gasket |
| 7CB2ZW | band - band |
| 7CB3ZW | band - band |
| 71N3YZ-LK4 | band - link |
| 71N3ZZ-LK2 | band - link |
| 71N3YZ | band - band |
| 71N3ZZ | band - band |
| 7CB0YW | band - band |
| 7CB9YW | band - leather band |
| 7CB1YW | band - leather band |
| 71N3YZ-BKK | clasp - buckle |
| 71N3ZZ-BKH | clasp - buckle |
| 1CA035A5BNG | others - hour hand |
| 1CA035A5BNS | others - hour hand |
| 2CA057A5BNG | others - minute hand |
| 2CA057A5BNS | others - minute hand |
| 82894770 | others - case ring |
| 1N00509029A | others - case |
| 1N000174XB13 | others - dial |
| 1N000174XS14 | others - dial |
| 1N000174XS24 | others - dial |
| 1N000174XS33 | others - dial |
| 1N000184XB13 | others - dial |
| 1N000184XS13 | others - dial |
| 1N009 | others - machine code |
| A160BS | others - push pin |
| 1N0050902SA | others - case |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1N00
