The Seiko 7N00-5A90 is a watch model based on the 7N00 movement.
Parts List
| SAFN36JM01 | crystal - crystal |
| SAFN36JM | crystal |
| 8M30A0NNG2 | crown - crown |
| 8M30A0NN | crown |
| 0H2702B01 | case back gasket - rotating bezel gasket |
| 0H2702B0 | case back gasket |
| B1582J | band - band |
| 0351890 | others - winding stem |
| 82831980 | others - case ring |
| 7N005A9029Z | others - case |
| 7N005A90 | others - case back |
| 7N000 | others - machine code |
| 7N005B28XN14 | others - dial |
| A160BS | others - push pin |
| AD006BA12 | others - crown gasket |
| 2AA100AMBNG | others - minute hand |
| 10C26NGM | others - minute hand |
| 1AA070AMBNG | others - hour hand |
| 11C16NGH | others - hour hand |