The Seiko 1N00-5A00 is a watch model based on the 1N00 movement.
Parts List
| K03N34JN01 | crystal |
| K03N34JN | crystal |
| 30M98NA1 | crown |
| 0H1400B01 | case back gasket - case back gasket |
| 0H1400B0 | case back gasket |
| B5581G | band |
| B5581G-LKG | band - link |
| B5581K-LKG | band - link |
| B5581L-LKG | band - link |
| B5581L | band |
| B5581K | band |
| B5581G-BK4G | clasp - clasp |
| B5581L-BK4G | clasp - clasp |
| B5581K-BK4G | clasp - clasp |
| 0351807 | others - winding stem |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 82821600 | others - case ring |
| 1N000A18XB14 | others - dial |
| 1N000A18XG14 | others - dial |
| 1N000A18XS14 | others - dial |
| 1N000A28XS19 | others - dial |
| 1N000A28XS29 | others - dial |
| 1N000D30XB14 | others - dial |
| 1N000D30XG14 | others - dial |
| 1N005A00 | others - case back |
| 1N005A0025 | others - case |
| 1N005A0025Z | others - case |
| 1N009 | others - machine code |
| DZ0041B01 | others - crown and stem gasket |
| 2CH052A0BNG | others - minute hand |
| 05Y23NGM | others - minute hand |
| 2CC052A0BAA | others - minute hand |
| 05Y32DAM | others - minute hand |
| 1CH037A0BNG | others - hour hand |
| 05Y23NGH | others - hour hand |
| 05Y21AGM | others - minute hand |
| 05Y22DAH | others - hour hand |
| 05Y21AGH | others - hour hand |
Caliber 1N00
